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CWE-120

4,201 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 (4,201)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
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Apr 30, 2026
Apr 29, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was determined in UTT HiPER 1250GW up to 3.2.7-210907-180535. This vulnerability affects the function strcpy of the file route/goform/NTP. Executing a manipulation of the argument Profile can lead to buff...Show more
A vulnerability was determined in UTT HiPER 1250GW up to 3.2.7-210907-180535. This vulnerability affects the function strcpy of the file route/goform/NTP. Executing a manipulation of the argument Profile can lead to buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.Show less
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Apr 29, 2026
Apr 29, 2026
8.6 HIGH· v4
8.4 HIGH· v3
N/A· v2
Alloksoft Video joiner 4.6.1217 contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious string in the License Name field. Attackers can craft a payload with...Show more
Alloksoft Video joiner 4.6.1217 contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious string in the License Name field. Attackers can craft a payload with structured exception handler (SEH) overwrite and shellcode to achieve code execution when the application processes the license registration input.Show less
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Apr 29, 2026
Apr 29, 2026
8.6 HIGH· v4
8.4 HIGH· v3
N/A· v2
Allok soft WMV to AVI MPEG DVD WMV Converter 4.6.1217 contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized string in the License Name field. Attackers c...Show more
Allok soft WMV to AVI MPEG DVD WMV Converter 4.6.1217 contains a buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying an oversized string in the License Name field. Attackers can craft a malicious input containing shellcode with structured exception handler (SEH) overwrite to bypass protections and execute code with application privileges.Show less
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Apr 30, 2026
Apr 29, 2026
6.9 MEDIUM· v4
6.2 MEDIUM· v3
N/A· v2
SysGauge 4.5.18 contains a buffer overflow vulnerability in the proxy configuration handler that allows local attackers to cause a denial of service by supplying an oversized string. Attackers can inject a large payload...Show more
SysGauge 4.5.18 contains a buffer overflow vulnerability in the proxy configuration handler that allows local attackers to cause a denial of service by supplying an oversized string. Attackers can inject a large payload through the Proxy Server Host Name field in the Options menu to crash the application.Show less
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Apr 30, 2026
Apr 29, 2026
8.6 HIGH· v4
8.4 HIGH· v3
N/A· v2
SysGauge Pro 4.6.12 contains a local buffer overflow vulnerability in the Register function that allows local attackers to overwrite the structured exception handler by supplying a crafted unlock key. Attackers can injec...Show more
SysGauge Pro 4.6.12 contains a local buffer overflow vulnerability in the Register function that allows local attackers to overwrite the structured exception handler by supplying a crafted unlock key. Attackers can inject shellcode through the Unlock Key field during registration to execute arbitrary code with application privileges.Show less
1Canonical
1Pdfunite
May 5, 2026
Apr 29, 2026
6.9 MEDIUM· v4
5.5 MEDIUM· v3
N/A· v2
PDFunite 0.41.0 contains a buffer overflow vulnerability that allows local attackers to crash the application by processing malformed PDF files during merge operations. Attackers can trigger a segmentation fault in the X...Show more
PDFunite 0.41.0 contains a buffer overflow vulnerability that allows local attackers to crash the application by processing malformed PDF files during merge operations. Attackers can trigger a segmentation fault in the XRef::getEntry function within libpoppler by providing a specially crafted PDF file to the pdfunite utility.Show less
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Apr 30, 2026
Apr 29, 2026
6.9 MEDIUM· v4
6.2 MEDIUM· v3
N/A· v2
librsvg2-bin 2.40.13 contains a buffer overflow vulnerability that allows local attackers to cause a denial of service by processing malformed SVG files. Attackers can supply crafted SVG input to the rsvg conversion tool...Show more
librsvg2-bin 2.40.13 contains a buffer overflow vulnerability that allows local attackers to cause a denial of service by processing malformed SVG files. Attackers can supply crafted SVG input to the rsvg conversion tool to trigger a segmentation fault in the cairo image compositor.Show less
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May 26, 2026
Apr 29, 2026
8.6 HIGH· v4
8.4 HIGH· v3
N/A· v2
Free Download Manager 2.0 Build 417 contains a local buffer overflow vulnerability in the URL import functionality that allows attackers to trigger a structured exception handler (SEH) chain exploitation. Attackers can c...Show more
Free Download Manager 2.0 Build 417 contains a local buffer overflow vulnerability in the URL import functionality that allows attackers to trigger a structured exception handler (SEH) chain exploitation. Attackers can craft a malicious URL file that, when imported through the File > Import > Import lists of downloads menu, causes a buffer overflow in the Location header response that overwrites the SEH chain and executes arbitrary code.Show less
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Apr 29, 2026
Apr 29, 2026
8.5 HIGH· v4
7.8 HIGH· v3
N/A· v2
Allok AVI to DVD SVCD VCD Converter 4.0.1217 contains a structured exception handling (SEH) based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious string in the...Show more
Allok AVI to DVD SVCD VCD Converter 4.0.1217 contains a structured exception handling (SEH) based buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious string in the License Name field. Attackers can craft a payload with junk data, NSEH bypass, SEH handler address, and shellcode that triggers the overflow when pasted into the License Name field and the Register button is clicked, resulting in code execution.Show less
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Apr 30, 2026
Apr 29, 2026
8.6 HIGH· v4
8.4 HIGH· v3
N/A· v2
Easy MPEG to DVD Burner 1.7.11 contains a structured exception handling (SEH) local buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious username string. Attackers...Show more
Easy MPEG to DVD Burner 1.7.11 contains a structured exception handling (SEH) local buffer overflow vulnerability that allows local attackers to execute arbitrary code by supplying a malicious username string. Attackers can craft a payload containing junk data, SEH chain pointers, and shellcode that overwrites the SEH handler to redirect execution and run arbitrary commands like opening calc.exe.Show less
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Apr 30, 2026
Apr 29, 2026
8.6 HIGH· v4
8.4 HIGH· v3
N/A· v2
Prime95 29.4b8 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by exploiting structured exception handling (SEH) mechanisms. Attackers can inject malicious payload through t...Show more
Prime95 29.4b8 contains a local buffer overflow vulnerability that allows attackers to execute arbitrary code by exploiting structured exception handling (SEH) mechanisms. Attackers can inject malicious payload through the optional proxy hostname field in the PrimeNet connection settings to trigger the overflow and execute system commands.Show less
1Mozilla
2Firefox
Thunderbird
May 1, 2026
Apr 28, 2026
N/A· v4
9.6 CRITICAL· v3
N/A· v2
Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component. This vulnerability was fixed in Firefox 150, Thunderbird 150, Firefox ESR 140.10.1, and Thunderbird 140.10.1.
1Dlink
1Dir 825m Firmware
Apr 30, 2026
Apr 28, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was found in D-Link DIR-825M 1.1.12. This issue affects the function sub_414BA8 of the file /boafrm/formWanConfigSetup. The manipulation of the argument submit-url results in buffer overflow. The attack c...Show more
A vulnerability was found in D-Link DIR-825M 1.1.12. This issue affects the function sub_414BA8 of the file /boafrm/formWanConfigSetup. The manipulation of the argument submit-url results in buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.Show less
1Dlink
1Dir 825m Firmware
Apr 30, 2026
Apr 28, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability has been found in D-Link DIR-825M 1.1.12. This vulnerability affects the function sub_4151FC of the file /boafrm/formVpnConfigSetup. The manipulation of the argument submit-url leads to buffer overflow. R...Show more
A vulnerability has been found in D-Link DIR-825M 1.1.12. This vulnerability affects the function sub_4151FC of the file /boafrm/formVpnConfigSetup. The manipulation of the argument submit-url leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.Show less
1Dlink
1Di 8100 Firmware
Apr 30, 2026
Apr 28, 2026
8.9 HIGH· v4
9.4 CRITICAL· v3
10.0 HIGH· v2
A vulnerability was found in D-Link DI-8100 16.07.26A1. This affects the function tgfile_htm of the file tgfile.htm of the component CGI Endpoint. The manipulation of the argument fn results in buffer overflow. The attac...Show more
A vulnerability was found in D-Link DI-8100 16.07.26A1. This affects the function tgfile_htm of the file tgfile.htm of the component CGI Endpoint. The manipulation of the argument fn results in buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used.Show less
1Dlink
1Di 8100 Firmware
Apr 30, 2026
Apr 28, 2026
7.3 HIGH· v4
7.2 HIGH· v3
8.3 HIGH· v2
A vulnerability has been found in D-Link DI-8100 16.07.26A1. Affected by this issue is the function file_exten_asp of the file file_exten.asp of the component File Extension Handler. The manipulation of the argument Name...Show more
A vulnerability has been found in D-Link DI-8100 16.07.26A1. Affected by this issue is the function file_exten_asp of the file file_exten.asp of the component File Extension Handler. The manipulation of the argument Name leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.Show less
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Apr 28, 2026
Apr 28, 2026
7.3 HIGH· v4
7.2 HIGH· v3
8.3 HIGH· v2
A flaw has been found in Totolink N300RT 3.4.0-B20250430. This affects an unknown function of the file /boafrm/formIpQoS. Executing a manipulation of the argument entry_name can lead to buffer overflow. The attack may be...Show more
A flaw has been found in Totolink N300RT 3.4.0-B20250430. This affects an unknown function of the file /boafrm/formIpQoS. Executing a manipulation of the argument entry_name can lead to buffer overflow. The attack may be performed from remote. The exploit has been published and may be used.Show less
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Apr 28, 2026
Apr 28, 2026
7.3 HIGH· v4
7.2 HIGH· v3
8.3 HIGH· v2
A vulnerability was detected in Totolink N300RT 3.4.0-B20250430. The impacted element is the function is_cmd_string_valid of the file /boafrm/formWsc of the component libapmib.so. Performing a manipulation of the argumen...Show more
A vulnerability was detected in Totolink N300RT 3.4.0-B20250430. The impacted element is the function is_cmd_string_valid of the file /boafrm/formWsc of the component libapmib.so. Performing a manipulation of the argument localPin results in buffer overflow. The attack is possible to be carried out remotely. The exploit is now public and may be used.Show less
1Tenda
1F456 Firmware
May 28, 2026
Apr 27, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability has been found in Tenda F456 1.0.0.5. This affects the function fromWrlclientSet of the file /goform/WrlclientSet of the component httpd. The manipulation leads to buffer overflow. Remote exploitation of...Show more
A vulnerability has been found in Tenda F456 1.0.0.5. This affects the function fromWrlclientSet of the file /goform/WrlclientSet of the component httpd. The manipulation leads to buffer overflow. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used.Show less
1Tenda
1F456 Firmware
Apr 30, 2026
Apr 27, 2026
7.4 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A flaw has been found in Tenda F456 1.0.0.5. The impacted element is the function fromNatlimitof of the file /goform/Natlimit of the component httpd. Executing a manipulation can lead to buffer overflow. The attack may b...Show more
A flaw has been found in Tenda F456 1.0.0.5. The impacted element is the function fromNatlimitof of the file /goform/Natlimit of the component httpd. Executing a manipulation can lead to buffer overflow. The attack may be launched remotely. The exploit has been published and may be used.Show less