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CWE-120

4,417 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 (4,417)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Celestialsoftware
1Absolutetelnet
Jun 17, 2026
Feb 7, 2026
6.7 MEDIUM· v4
5.5 MEDIUM· v3
N/A· v2
AbsoluteTelnet 11.12 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an oversized license name. Attackers can generate a 2500-character payload and paste it in...Show more
AbsoluteTelnet 11.12 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an oversized license name. Attackers can generate a 2500-character payload and paste it into the license name field to trigger an application crash.Show less
1Celestialsoftware
1Absolutetelnet
Jun 17, 2026
Feb 7, 2026
6.7 MEDIUM· v4
5.5 MEDIUM· v3
N/A· v2
AbsoluteTelnet 11.12 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an oversized license name. Attackers can generate a 2500-character payload and paste it in...Show more
AbsoluteTelnet 11.12 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an oversized license name. Attackers can generate a 2500-character payload and paste it into the license entry field to trigger an application crash.Show less
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Jun 17, 2026
Feb 7, 2026
6.7 MEDIUM· v4
7.5 HIGH· v3
N/A· v2
Core FTP Lite 1.3 contains a buffer overflow vulnerability in the username input field that allows attackers to crash the application by supplying oversized input. Attackers can generate a 7000-byte payload of repeated '...Show more
Core FTP Lite 1.3 contains a buffer overflow vulnerability in the username input field that allows attackers to crash the application by supplying oversized input. Attackers can generate a 7000-byte payload of repeated 'A' characters to trigger an application crash without requiring additional interaction.Show less
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Jun 17, 2026
Feb 7, 2026
6.7 MEDIUM· v4
7.5 HIGH· v3
N/A· v2
aSc TimeTables 2020.11.4 contains a denial of service vulnerability that allows attackers to crash the application by overwriting the Subject title field with a large buffer. Attackers can generate a 1000-character buffe...Show more
aSc TimeTables 2020.11.4 contains a denial of service vulnerability that allows attackers to crash the application by overwriting the Subject title field with a large buffer. Attackers can generate a 1000-character buffer and paste it into the Subject title to trigger an application crash and potential instability.Show less
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Jun 17, 2026
Feb 7, 2026
6.7 MEDIUM· v4
7.5 HIGH· v3
N/A· v2
Core FTP LE 2.2 contains a denial of service vulnerability that allows attackers to crash the application by overwriting the account field with a large buffer. Attackers can create a text file with 20,000 repeated charac...Show more
Core FTP LE 2.2 contains a denial of service vulnerability that allows attackers to crash the application by overwriting the account field with a large buffer. Attackers can create a text file with 20,000 repeated characters and paste it into the account field to cause the application to become unresponsive and require reinstallation.Show less
1Utt
1520w Firmware
Jun 17, 2026
Feb 6, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability has been found in UTT 进取 520W 1.7.7-180627. The affected element is the function strcpy of the file /goform/formPolicyRouteConf. Such manipulation of the argument GroupName leads to buffer overflow. The a...Show more
A vulnerability has been found in UTT 进取 520W 1.7.7-180627. The affected element is the function strcpy of the file /goform/formPolicyRouteConf. Such manipulation of the argument GroupName leads to buffer overflow. The attack can be executed remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Utt
1520w Firmware
Jun 17, 2026
Feb 6, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was detected in UTT 进取 520W 1.7.7-180627. This issue affects the function strcpy of the file /goform/formSyslogConf. The manipulation of the argument ServerIp results in buffer overflow. The attack may be...Show more
A vulnerability was detected in UTT 进取 520W 1.7.7-180627. This issue affects the function strcpy of the file /goform/formSyslogConf. The manipulation of the argument ServerIp results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Utt
1520w Firmware
Jun 17, 2026
Feb 6, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security vulnerability has been detected in UTT 进取 520W 1.7.7-180627. This vulnerability affects the function strcpy of the file /goform/formTimeGroupConfig. The manipulation of the argument year1 leads to buffer overf...Show more
A security vulnerability has been detected in UTT 进取 520W 1.7.7-180627. This vulnerability affects the function strcpy of the file /goform/formTimeGroupConfig. The manipulation of the argument year1 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
1Utt
1520w Firmware
Jun 17, 2026
Feb 6, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A weakness has been identified in UTT 进取 520W 1.7.7-180627. This affects the function strcpy of the file /goform/formIpGroupConfig. Executing a manipulation of the argument groupName can lead to buffer overflow. The atta...Show more
A weakness has been identified in UTT 进取 520W 1.7.7-180627. This affects the function strcpy of the file /goform/formIpGroupConfig. Executing a manipulation of the argument groupName can lead to buffer overflow. The attack can be launched remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Huawei
1Harmonyos
Jun 17, 2026
Feb 6, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
Buffer overflow vulnerability in the HDC module. Impact: Successful exploitation of this vulnerability may affect availability.
1Nsasoft
1Product Key Explorer
Jun 29, 2026
Feb 5, 2026
6.7 MEDIUM· v4
5.5 MEDIUM· v3
N/A· v2
Nsauditor Product Key Explorer 4.2.2.0 contains a denial of service vulnerability that allows local attackers to crash the application by inputting a specially crafted registration key. Attackers can generate a payload o...Show more
Nsauditor Product Key Explorer 4.2.2.0 contains a denial of service vulnerability that allows local attackers to crash the application by inputting a specially crafted registration key. Attackers can generate a payload of 1000 bytes of repeated characters and paste it into the 'Key' input field to trigger the application crash.Show less
1Nsasoft
1Nsauditor
Jun 17, 2026
Feb 5, 2026
6.7 MEDIUM· v4
7.5 HIGH· v3
N/A· v2
Nsauditor 3.2.0.0 contains a denial of service vulnerability in the registration name input field that allows attackers to crash the application. Attackers can create a malicious payload of 1000 bytes of repeated charact...Show more
Nsauditor 3.2.0.0 contains a denial of service vulnerability in the registration name input field that allows attackers to crash the application. Attackers can create a malicious payload of 1000 bytes of repeated characters to trigger an application crash when pasted into the registration name field.Show less
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Jun 17, 2026
Feb 3, 2026
8.4 HIGH· v4
9.8 CRITICAL· v3
N/A· v2
LanSend 3.2 contains a buffer overflow vulnerability in the Add Computers Wizard file import functionality that allows remote attackers to execute arbitrary code. Attackers can craft a malicious payload file to trigger a...Show more
LanSend 3.2 contains a buffer overflow vulnerability in the Add Computers Wizard file import functionality that allows remote attackers to execute arbitrary code. Attackers can craft a malicious payload file to trigger a structured exception handler (SEH) overwrite and execute shellcode when importing computers from a file.Show less
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Jun 17, 2026
Feb 3, 2026
8.4 HIGH· v4
9.8 CRITICAL· v3
N/A· v2
Remote Desktop Audit 2.3.0.157 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code during the Add Computers Wizard file import process. Attackers can craft a malicious payload file to...Show more
Remote Desktop Audit 2.3.0.157 contains a buffer overflow vulnerability that allows attackers to execute arbitrary code during the Add Computers Wizard file import process. Attackers can craft a malicious payload file to trigger a structured exception handler (SEH) bypass and execute shellcode when importing computer lists.Show less
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Jun 17, 2026
Feb 3, 2026
8.6 HIGH· v4
9.8 CRITICAL· v3
N/A· v2
CloudMe 1.11.2 contains a buffer overflow vulnerability that allows remote attackers to execute arbitrary code through crafted network packets. Attackers can exploit the vulnerability by sending a specially crafted paylo...Show more
CloudMe 1.11.2 contains a buffer overflow vulnerability that allows remote attackers to execute arbitrary code through crafted network packets. Attackers can exploit the vulnerability by sending a specially crafted payload to the CloudMe service running on port 8888, enabling remote code execution.Show less
1Konicaminolta
1Ftp Utility
Jun 17, 2026
Feb 3, 2026
8.7 HIGH· v4
9.8 CRITICAL· v3
N/A· v2
Konica Minolta FTP Utility 1.0 contains a buffer overflow vulnerability in the NLST command that allows attackers to overwrite system registers. Attackers can send an oversized buffer of 1500 'A' characters to crash the...Show more
Konica Minolta FTP Utility 1.0 contains a buffer overflow vulnerability in the NLST command that allows attackers to overwrite system registers. Attackers can send an oversized buffer of 1500 'A' characters to crash the FTP server and potentially execute unauthorized code.Show less
1Konicaminolta
1Ftp Utility
Jun 17, 2026
Feb 3, 2026
8.7 HIGH· v4
9.8 CRITICAL· v3
N/A· v2
Konica Minolta FTP Utility 1.0 contains a buffer overflow vulnerability in the LIST command that allows attackers to overwrite system registers. Attackers can send an oversized buffer of 1500 'A' characters to crash the...Show more
Konica Minolta FTP Utility 1.0 contains a buffer overflow vulnerability in the LIST command that allows attackers to overwrite system registers. Attackers can send an oversized buffer of 1500 'A' characters to crash the FTP server and potentially execute unauthorized code.Show less
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Jun 17, 2026
Feb 3, 2026
8.4 HIGH· v4
9.8 CRITICAL· v3
N/A· v2
StreamRipper32 version 2.6 contains a buffer overflow vulnerability in the Station/Song Section that allows attackers to overwrite memory by manipulating the SongPattern input. Attackers can craft a malicious payload exc...Show more
StreamRipper32 version 2.6 contains a buffer overflow vulnerability in the Station/Song Section that allows attackers to overwrite memory by manipulating the SongPattern input. Attackers can craft a malicious payload exceeding 256 bytes to potentially execute arbitrary code and compromise the application.Show less
1Totolink
1A950rg Firmware
Jun 17, 2026
Feb 3, 2026
N/A· v4
6.5 MEDIUM· v3
N/A· v2
A buffer overflow vulnerability exists in the setParentalRules interface of TOTOLINK A950RG V4.1.2cu.5204_B20210112. The urlKeyword parameter is not properly validated, and the function concatenates multiple user-control...Show more
A buffer overflow vulnerability exists in the setParentalRules interface of TOTOLINK A950RG V4.1.2cu.5204_B20210112. The urlKeyword parameter is not properly validated, and the function concatenates multiple user-controlled fields into a fixed-size stack buffer without performing boundary checks. A remote attacker can exploit this flaw to cause denial of service or potentially achieve arbitrary code execution.Show less
1Totolink
1A950rg Firmware
Jun 17, 2026
Feb 3, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
A buffer overflow vulnerability exists in TOTOLINK A950RG V4.1.2cu.5204_B20210112. The issue resides in the setRadvdCfg interface of the /lib/cste_modules/ipv6.so module. The function fails to properly validate the lengt...Show more
A buffer overflow vulnerability exists in TOTOLINK A950RG V4.1.2cu.5204_B20210112. The issue resides in the setRadvdCfg interface of the /lib/cste_modules/ipv6.so module. The function fails to properly validate the length of the user-controlled radvdinterfacename parameter, allowing remote attackers to trigger a stack buffer overflow.Show less