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CWE-120

4,202 CVEs • Abstraction: Base • Likelihood of Exploit: High

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.

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CVEs (4,202)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Tenda
1Ac18 Firmware
Oct 3, 2025
Sep 28, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A weakness has been identified in Tenda AC8 16.03.34.06. The affected element is the function formSetServerConfig of the file /goform/SetServerConfig. Executing manipulation can lead to buffer overflow. It is possible to...Show more
A weakness has been identified in Tenda AC8 16.03.34.06. The affected element is the function formSetServerConfig of the file /goform/SetServerConfig. Executing manipulation can lead to buffer overflow. It is possible to launch the attack remotely. The exploit has been made available to the public and could be exploited.Show less
1Tenda
1Ch22 Firmware
Oct 3, 2025
Sep 28, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was determined in Tenda CH22 1.0.0.1. This vulnerability affects the function formWrlExtraGet of the file /goform/GstDhcpSetSer. This manipulation of the argument dips causes buffer overflow. The attack i...Show more
A vulnerability was determined in Tenda CH22 1.0.0.1. This vulnerability affects the function formWrlExtraGet of the file /goform/GstDhcpSetSer. This manipulation of the argument dips causes buffer overflow. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized.Show less
1Tenda
1Ac21 Firmware
Oct 3, 2025
Sep 28, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security flaw has been discovered in Tenda AC21 up to 16.03.08.16. Affected by this vulnerability is the function sscanf of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer ov...Show more
A security flaw has been discovered in Tenda AC21 up to 16.03.08.16. Affected by this vulnerability is the function sscanf of the file /goform/SetStaticRouteCfg. The manipulation of the argument list results in buffer overflow. The attack can be launched remotely. The exploit has been released to the public and may be exploited.Show less
1Wavlink
1Wl Wn586x3a Firmware
Oct 3, 2025
Sep 26, 2025
N/A· v4
8.8 HIGH· v3
N/A· v2
Wavlink M86X3A_V240730 contains a buffer overflow vulnerability in the /cgi-bin/ExportAllSettings.cgi file. The vulnerability arises because the Cookie parameter does not properly validate the length of input data. Attac...Show more
Wavlink M86X3A_V240730 contains a buffer overflow vulnerability in the /cgi-bin/ExportAllSettings.cgi file. The vulnerability arises because the Cookie parameter does not properly validate the length of input data. Attackers can exploit this to execute arbitrary code or cause a denial of service (DoS) on the systemShow less
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Jan 14, 2026
Sep 25, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
libsmb2 6.2+ is vulnerable to Buffer Overflow. When processing SMB2 chained PDUs (NextCommand), libsmb2 repeatedly calls smb2_add_iovector() to append to a fixed-size iovec array without checking the upper bound of v->ni...Show more
libsmb2 6.2+ is vulnerable to Buffer Overflow. When processing SMB2 chained PDUs (NextCommand), libsmb2 repeatedly calls smb2_add_iovector() to append to a fixed-size iovec array without checking the upper bound of v->niov (SMB2_MAX_VECTORS=256). An attacker can craft responses with many chained PDUs to overflow v->niov and perform heap out-of-bounds writes, causing memory corruption, crashes, and potentially arbitrary code execution. The SMB2_OPLOCK_BREAK path bypasses message ID validation.Show less
1Cisco
2Adaptive Security Appliance Software
Firepower Threat Defense
Oct 28, 2025
Sep 25, 2025
N/A· v4
9.9 CRITICAL· v3
N/A· v2
A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker to execute a...Show more
A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an authenticated, remote attacker to execute arbitrary code on an affected device. This vulnerability is due to improper validation of user-supplied input in HTTP(S) requests. An attacker with valid VPN user credentials could exploit this vulnerability by sending crafted HTTP requests to an affected device. A successful exploit could allow the attacker to execute arbitrary code as root, possibly resulting in the complete compromise of the affected device.Show less
1Utt
21200gw Firmware
1250gw Firmware
Feb 10, 2026
Sep 25, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security vulnerability has been detected in UTT 1200GW and 1250GW up to 3.0.0-170831/3.2.2-200710. This vulnerability affects unknown code of the file /goform/formApMail. The manipulation of the argument senderEmail le...Show more
A security vulnerability has been detected in UTT 1200GW and 1250GW up to 3.0.0-170831/3.2.2-200710. This vulnerability affects unknown code of the file /goform/formApMail. The manipulation of the argument senderEmail leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.Show less
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Oct 13, 2025
Sep 25, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability has been found in MikroTik RouterOS 7. This affects the function parse_json_element of the file /rest/ip/address/print of the component libjson.so. The manipulation leads to buffer overflow. The attack is...Show more
A vulnerability has been found in MikroTik RouterOS 7. This affects the function parse_json_element of the file /rest/ip/address/print of the component libjson.so. The manipulation leads to buffer overflow. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 7.20.1 and 7.21beta2 mitigates this issue. You should upgrade the affected component. The vendor replied: "Our bug tracker reports that your issue has been fixed. This means that we plan to release a RouterOS update with this fix. Make sure to upgrade to the next release when it comes out."Show less
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Nov 14, 2025
Sep 25, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was identified in H3C Magic B3 up to 100R002. This affects the function AddMacList/EditMacList of the file /goform/aspForm. The manipulation of the argument param leads to buffer overflow. The attack can...Show more
A vulnerability was identified in H3C Magic B3 up to 100R002. This affects the function AddMacList/EditMacList of the file /goform/aspForm. The manipulation of the argument param leads to buffer overflow. The attack can be initiated remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.Show less
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Sep 26, 2025
Sep 24, 2025
N/A· v4
6.5 MEDIUM· v3
N/A· v2
A vulnerability in the CLI of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition...Show more
A vulnerability in the CLI of Cisco IOS Software and Cisco IOS XE Software could allow an authenticated, local attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to a buffer overflow. An attacker with a low-privileged account could exploit this vulnerability by using crafted commands at the CLI prompt. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.Show less
1Qualcomm
249315 5g Iot Modem Firmware
Aqt1000 FirmwareAr8031 Firmware+246 more
Sep 25, 2025
Sep 24, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Memory corruption while performing private key encryption in trusted application.
1Qualcomm
42Qca6391 Firmware
Qca6698aq FirmwareQcm5430 Firmware+39 more
Sep 25, 2025
Sep 24, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
Memory corruption when passing parameters to the Trusted Virtual Machine during the handshake.
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Mar 31, 2026
Sep 23, 2025
10.0 CRITICAL· v4
N/A· v3
N/A· v2
A buffer overflow vulnerability in Novakon P series allows attackers to gain root permission without prior authentication.This issue affects P series: P – V2001.A.C518o2 until P-2.0.05 Build 2026.02...Show more
A buffer overflow vulnerability in Novakon P series allows attackers to gain root permission without prior authentication.This issue affects P series: P – V2001.A.C518o2 until P-2.0.05 Build 2026.02.06 (commit d0f97fd9).Show less
1Tenda
1Ac21 Firmware
Oct 3, 2025
Sep 23, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function sub_45BB10 of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto leads to buffer overflow. It is p...Show more
A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function sub_45BB10 of the file /goform/WifiExtraSet. The manipulation of the argument wpapsk_crypto leads to buffer overflow. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.Show less
1Tenda
1Ac20 Firmware
Sep 25, 2025
Sep 22, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was identified in Tenda AC20 up to 16.03.08.12. Affected by this issue is the function strcpy of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. Such manipulation of the argu...Show more
A vulnerability was identified in Tenda AC20 up to 16.03.08.12. Affected by this issue is the function strcpy of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. Such manipulation of the argument startIp leads to buffer overflow. The attack can be launched remotely. The exploit is publicly available and might be used.Show less
1Autodesk
1Shared Components
Sep 25, 2025
Sep 22, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
A maliciously crafted PRT file, when parsed through certain Autodesk products, can force a Memory Corruption vulnerability. A malicious actor can leverage this vulnerability to execute arbitrary code in the context of th...Show more
A maliciously crafted PRT file, when parsed through certain Autodesk products, can force a Memory Corruption vulnerability. A malicious actor can leverage this vulnerability to execute arbitrary code in the context of the current process.Show less
1Tenda
1Ac23 Firmware
Sep 24, 2025
Sep 22, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability has been found in Tenda AC23 up to 16.03.07.52. Affected by this vulnerability is the function sscanf of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. Such manipulation of...Show more
A vulnerability has been found in Tenda AC23 up to 16.03.07.52. Affected by this vulnerability is the function sscanf of the file /goform/SetPptpServerCfg of the component HTTP POST Request Handler. Such manipulation of the argument startIp leads to buffer overflow. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.Show less
1Dlink
1Dir 513 Firmware
Oct 8, 2025
Sep 22, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security vulnerability has been detected in D-Link DIR-513 A1FW110. Affected is an unknown function of the file /goform/formWPS. Such manipulation of the argument webpage leads to buffer overflow. The attack may be per...Show more
A security vulnerability has been detected in D-Link DIR-513 A1FW110. Affected is an unknown function of the file /goform/formWPS. Such manipulation of the argument webpage leads to buffer overflow. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. This vulnerability only affects products that are no longer supported by the maintainer.Show less
1Utt
11200gw Firmware
Jan 8, 2026
Sep 21, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A weakness has been identified in UTT 1200GW up to 3.0.0-170831. The affected element is an unknown function of the file /goform/formConfigDnsFilterGlobal. This manipulation of the argument GroupName causes buffer overfl...Show more
A weakness has been identified in UTT 1200GW up to 3.0.0-170831. The affected element is an unknown function of the file /goform/formConfigDnsFilterGlobal. This manipulation of the argument GroupName causes buffer overflow. The attack can be initiated remotely. The exploit has been made available to the public and could be exploited. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Utt
1840g Firmware
Jan 8, 2026
Sep 20, 2025
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security flaw has been discovered in UTT HiPER 840G up to 3.1.1-190328. Impacted is an unknown function of the file /goform/getOneApConfTempEntry. The manipulation of the argument tempName results in buffer overflow. I...Show more
A security flaw has been discovered in UTT HiPER 840G up to 3.1.1-190328. Impacted is an unknown function of the file /goform/getOneApConfTempEntry. The manipulation of the argument tempName results in buffer overflow. It is possible to launch the attack remotely. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in any way.Show less