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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
1Dlink
1Di 8100 Firmware
Jul 24, 2026
May 5, 2026
8.9 HIGH· v4
9.8 CRITICAL· v3
10.0 HIGH· v2
A weakness has been identified in D-Link DI-8100 16.07.26A1. Affected is the function sprintf of the file /auto_reboot.asp of the component HTTP Handler. This manipulation of the argument enable/time causes buffer overfl...Show more
A weakness has been identified in D-Link DI-8100 16.07.26A1. Affected is the function sprintf of the file /auto_reboot.asp of the component HTTP Handler. This manipulation of the argument enable/time causes buffer overflow. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks.Show less
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Sep 1, 2026
May 5, 2026
N/A· v4
5.9 MEDIUM· v3
N/A· v2
A flaw was found in Open vSwitch. When Open vSwitch is configured with a conntrack flow using FTP helpers over the userspace datapath, a remote attacker can send a specially crafted FTP stream with an EPASV command excee...Show more
A flaw was found in Open vSwitch. When Open vSwitch is configured with a conntrack flow using FTP helpers over the userspace datapath, a remote attacker can send a specially crafted FTP stream with an EPASV command exceeding 255 characters. This heap access error can lead to a crash, resulting in a Denial of Service (DoS) for the affected system.Show less
1Qualcomm
183215 Mobile Firmware
5g Fixed Wireless Access FirmwareAr8031 Firmware+180 more
Jun 17, 2026
May 4, 2026
N/A· v4
7.8 HIGH· v3
N/A· v2
Memory corruption when dynamically changing the size of a previously allocated buffer while its contents are being modified.
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Jun 17, 2026
May 4, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was detected in Totolink N300RH 3.2.4-B20220812. This vulnerability affects the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the a...Show more
A vulnerability was detected in Totolink N300RH 3.2.4-B20220812. This vulnerability affects the function setMacFilterRules of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument mac_address results in buffer overflow. The attack may be launched remotely. The exploit is now public and may be used.Show less
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Jun 17, 2026
May 4, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security vulnerability has been detected in Totolink N300RH 3.2.4-B20220812. This affects the function setWanConfig of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argume...Show more
A security vulnerability has been detected in Totolink N300RH 3.2.4-B20220812. This affects the function setWanConfig of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument priDns leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed publicly and may be used.Show less
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Jun 17, 2026
May 4, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A weakness has been identified in Totolink N300RH 3.2.4-B20220812. Affected by this issue is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Executing a manipulation of t...Show more
A weakness has been identified in Totolink N300RH 3.2.4-B20220812. Affected by this issue is the function setUpgradeFW of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Executing a manipulation of the argument FileName 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.Show less
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Jun 17, 2026
May 4, 2026
8.9 HIGH· v4
9.8 CRITICAL· v3
10.0 HIGH· v2
A security flaw has been discovered in Totolink N300RH 3.2.4-B20220812. Affected by this vulnerability is the function loginauth of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. Performing a manipulat...Show more
A security flaw has been discovered in Totolink N300RH 3.2.4-B20220812. Affected by this vulnerability is the function loginauth of the file /cgi-bin/cstecgi.cgi of the component Parameter Handler. Performing a manipulation of the argument Password results in buffer overflow. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.Show less
1Mediatek
68Mt2735 Firmware
Mt2737 FirmwareMt6739 Firmware+65 more
Jun 17, 2026
May 4, 2026
N/A· v4
6.5 MEDIUM· v3
N/A· v2
In Modem, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional executio...Show more
In Modem, there is a possible system crash due to a heap buffer overflow. This could lead to remote denial of service, if a UE has connected to a rogue base station controlled by the attacker, with no additional execution privileges needed. User interaction is not needed for exploitation. Patch ID: MOLY01760138; Issue ID: MSV-6148.Show less
1Osrg
1Gobgp
Jun 17, 2026
May 4, 2026
6.9 MEDIUM· v4
7.3 HIGH· v3
7.5 HIGH· v2
A vulnerability was found in osrg GoBGP up to 4.3.0. Affected is the function PathAttributeAigp.DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component AIGP Attribute Parser. Performing a manipulation results...Show more
A vulnerability was found in osrg GoBGP up to 4.3.0. Affected is the function PathAttributeAigp.DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component AIGP Attribute Parser. Performing a manipulation results in buffer overflow. It is possible to initiate the attack remotely. Upgrading to version 4.4.0 is able to address this issue. The patch is named 51ad1ada06cb41ce47b7066799981816f50b7ced. The affected component should be upgraded.Show less
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Jun 17, 2026
May 4, 2026
8.9 HIGH· v4
9.8 CRITICAL· v3
10.0 HIGH· v2
A security flaw has been discovered in Totolink WA300 5.2cu.7112_B20190227. The affected element is the function loginauth of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the a...Show more
A security flaw has been discovered in Totolink WA300 5.2cu.7112_B20190227. The affected element is the function loginauth of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. The manipulation of the argument http_host results in buffer overflow. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.Show less
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Jun 17, 2026
May 4, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was determined in Totolink WA300 5.2cu.7112_B20190227. This issue affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Executing a manipulation o...Show more
A vulnerability was determined in Totolink WA300 5.2cu.7112_B20190227. This issue affects the function UploadCustomModule of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. Executing a manipulation of the argument File can lead to buffer overflow. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.Show less
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Jun 17, 2026
May 3, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was detected in Edimax BR-6208AC up to 1.02. Affected is an unknown function of the file /goform/setWAN. Performing a manipulation of the argument pptpDfGateway  results in buffer overflow. The attack may...Show more
A vulnerability was detected in Edimax BR-6208AC up to 1.02. Affected is an unknown function of the file /goform/setWAN. Performing a manipulation of the argument pptpDfGateway  results in buffer overflow. The attack may be initiated 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
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Jun 17, 2026
May 3, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security vulnerability has been detected in Edimax BR-6428nC up to 1.16. This impacts an unknown function of the file /goform/setWAN. Such manipulation of the argument pptpDfGateway  leads to buffer overflow. The attac...Show more
A security vulnerability has been detected in Edimax BR-6428nC up to 1.16. This impacts an unknown function of the file /goform/setWAN. Such manipulation of the argument pptpDfGateway  leads to buffer overflow. The attack can be launched 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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Jun 17, 2026
May 3, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability has been found in Shenzhen Libituo Technology LBT-T300-HW1 up to 1.2.8. Impacted is the function start_lan of the file /apply.cgi. The manipulation of the argument Channel/ApCliSsid leads to buffer overfl...Show more
A vulnerability has been found in Shenzhen Libituo Technology LBT-T300-HW1 up to 1.2.8. Impacted is the function start_lan of the file /apply.cgi. The manipulation of the argument Channel/ApCliSsid 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. The vendor was contacted early about this disclosure but did not respond in any way.Show less
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Jun 17, 2026
May 3, 2026
8.7 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A flaw has been found in Shenzhen Libituo Technology LBT-T300-HW1 up to 1.2.8. This issue affects the function start_single_service of the component Web Management Interface. Executing a manipulation of the argument vpn_...Show more
A flaw has been found in Shenzhen Libituo Technology LBT-T300-HW1 up to 1.2.8. This issue affects the function start_single_service of the component Web Management Interface. Executing a manipulation of the argument vpn_pptp_server/vpn_l2tp_server can lead to buffer overflow. The attack can be executed remotely. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Trendnet
1Tew 821dap Firmware
Jun 17, 2026
May 2, 2026
8.7 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function auto_update_firmware of the component Firmware Udpate. The manipulation of the argument str leads to buffer overflow. Th...Show more
A security vulnerability has been detected in TRENDnet TEW-821DAP 1.12B01. Impacted is the function auto_update_firmware of the component Firmware Udpate. The manipulation of the argument str leads to buffer overflow. The attack may be initiated remotely. The vendor explains: "That firmware version will only work on our hardware version v1.xR. We have already EOL that product 8 years ago and are no longer selling". This vulnerability only affects products that are no longer supported by the maintainer.Show less
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Jun 17, 2026
May 1, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability has been found in UTT HiPER 1200GW up to 2.5.3-170306. The impacted element is the function strcpy of the file /goform/formRemoteControl. The manipulation leads to buffer overflow. The attack may be initi...Show more
A vulnerability has been found in UTT HiPER 1200GW up to 2.5.3-170306. The impacted element is the function strcpy of the file /goform/formRemoteControl. The manipulation leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.Show less
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Jun 17, 2026
May 1, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A flaw has been found in UTT HiPER 1200GW up to 2.5.3-1703. The affected element is the function strcpy of the file /goform/formUser. Executing a manipulation can lead to buffer overflow. The attack can be launched remot...Show more
A flaw has been found in UTT HiPER 1200GW up to 2.5.3-1703. The affected element is the function strcpy of the file /goform/formUser. Executing a manipulation can lead to buffer overflow. The attack can be launched remotely. The exploit has been published and may be used.Show less
1Wireshark
1Wireshark
Jun 17, 2026
May 1, 2026
N/A· v4
5.5 MEDIUM· v3
N/A· v2
K12 RF5 file parser crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
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Jun 17, 2026
Apr 30, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was detected in code-projects for Plugin 4.1.2cu.5137. The impacted element is the function setWiFiMultipleConfig in the library /lib/cste_modules/wireless.so of the file /cgi-bin/cstecgi.cgi. The manipul...Show more
A vulnerability was detected in code-projects for Plugin 4.1.2cu.5137. The impacted element is the function setWiFiMultipleConfig in the library /lib/cste_modules/wireless.so of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument wepkey2 results in buffer overflow. The attack can be launched remotely. The exploit is now public and may be used.Show less