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CWE-120

4,225 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 (4,225)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Netgear
1Jwnr2000 Firmware
Jun 17, 2026
Apr 30, 2025
8.7 HIGH· v4
9.8 CRITICAL· v3
9.0 HIGH· v2
A vulnerability classified as critical has been found in Netgear JWNR2000v2 1.0.0.11. Affected is the function check_language_file. The manipulation of the argument host leads to buffer overflow. It is possible to launch...Show more
A vulnerability classified as critical has been found in Netgear JWNR2000v2 1.0.0.11. Affected is the function check_language_file. The manipulation of the argument host leads to buffer overflow. It is possible to launch the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.Show less
1Pcman
1Ftp Server
Jun 17, 2026
Apr 29, 2025
6.9 MEDIUM· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
A vulnerability, which was classified as critical, was found in PCMan FTP Server up to 2.0.7. Affected is an unknown function of the component RENAME Command Handler. The manipulation leads to buffer overflow. It is poss...Show more
A vulnerability, which was classified as critical, was found in PCMan FTP Server up to 2.0.7. Affected is an unknown function of the component RENAME Command Handler. The manipulation 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
1Totolink
1N150rt Firmware
Jun 17, 2026
Apr 28, 2025
8.7 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was found in TOTOLINK N150RT 3.4.0-B20190525 and classified as critical. This issue affects some unknown processing of the file /boafrm/formWsc. The manipulation of the argument submit-url leads to buffer...Show more
A vulnerability was found in TOTOLINK N150RT 3.4.0-B20190525 and classified as critical. This issue affects some unknown processing of the file /boafrm/formWsc. The manipulation of the argument submit-url leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.Show less
1Totolink
1N150rt Firmware
Jun 17, 2026
Apr 28, 2025
8.7 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability has been found in TOTOLINK N150RT 3.4.0-B20190525 and classified as critical. This vulnerability affects unknown code of the file /boafrm/formWlwds. The manipulation of the argument submit-url leads to bu...Show more
A vulnerability has been found in TOTOLINK N150RT 3.4.0-B20190525 and classified as critical. This vulnerability affects unknown code of the file /boafrm/formWlwds. The manipulation of the argument submit-url leads to buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.Show less
1Totolink
1N150rt Firmware
Jun 17, 2026
Apr 28, 2025
8.7 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability, which was classified as critical, was found in TOTOLINK N150RT 3.4.0-B20190525. This affects an unknown part of the file /boafrm/formWdsEncrypt. The manipulation of the argument submit-url leads to buffe...Show more
A vulnerability, which was classified as critical, was found in TOTOLINK N150RT 3.4.0-B20190525. This affects an unknown part of the file /boafrm/formWdsEncrypt. The manipulation of the argument submit-url leads to buffer overflow. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.Show less
1Totolink
1N150rt Firmware
Jun 17, 2026
Apr 27, 2025
8.7 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability, which was classified as critical, has been found in TOTOLINK N150RT 3.4.0-B20190525. Affected by this issue is some unknown functionality of the file /boafrm/formVlan. The manipulation of the argument su...Show more
A vulnerability, which was classified as critical, has been found in TOTOLINK N150RT 3.4.0-B20190525. Affected by this issue is some unknown functionality of the file /boafrm/formVlan. The manipulation of the argument submit-url leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.Show less
1Totolink
1N150rt Firmware
Jun 17, 2026
Apr 27, 2025
8.7 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability classified as critical was found in TOTOLINK N150RT 3.4.0-B20190525. Affected by this vulnerability is an unknown functionality of the file /boafrm/formStaticDHCP. The manipulation of the argument Hostnam...Show more
A vulnerability classified as critical was found in TOTOLINK N150RT 3.4.0-B20190525. Affected by this vulnerability is an unknown functionality of the file /boafrm/formStaticDHCP. The manipulation of the argument Hostname leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.Show less
1Totolink
1N150rt Firmware
Jun 17, 2026
Apr 27, 2025
8.7 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability classified as critical has been found in TOTOLINK N150RT 3.4.0-B20190525. Affected is an unknown function of the file /boafrm/formPortFw. The manipulation of the argument service_type leads to buffer over...Show more
A vulnerability classified as critical has been found in TOTOLINK N150RT 3.4.0-B20190525. Affected is an unknown function of the file /boafrm/formPortFw. The manipulation of the argument service_type 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
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Jun 17, 2026
Apr 26, 2025
8.6 HIGH· v4
8.0 HIGH· v3
7.7 HIGH· v2
A vulnerability classified as critical has been found in GL.iNet GL-A1300 Slate Plus, GL-AR300M16 Shadow, GL-AR300M Shadow, GL-AR750 Creta, GL-AR750S-EXT Slate, GL-AX1800 Flint, GL-AXT1800 Slate AX, GL-B1300 Convexa-B, G...Show more
A vulnerability classified as critical has been found in GL.iNet GL-A1300 Slate Plus, GL-AR300M16 Shadow, GL-AR300M Shadow, GL-AR750 Creta, GL-AR750S-EXT Slate, GL-AX1800 Flint, GL-AXT1800 Slate AX, GL-B1300 Convexa-B, GL-B3000 Marble, GL-BE3600 Slate 7, GL-E750, GL-E750V2 Mudi, GL-MT300N-V2 Mango, GL-MT1300 Beryl, GL-MT2500 Brume 2, GL-MT3000 Beryl AX, GL-MT6000 Flint 2, GL-SFT1200 Opal, GL-X300B Collie, GL-X750 Spitz, GL-X3000 Spitz AX, GL-XE300 Puli and GL-XE3000 Puli AX 4.x. Affected is an unknown function of the file plugins.so of the component RPC Handler. The manipulation leads to buffer overflow. It is recommended to upgrade the affected component.Show less
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Jun 17, 2026
Apr 25, 2025
7.7 HIGH· v4
N/A· v3
N/A· v2
An unauthenticated attacker on the WAN interface, with the ability to intercept Dynamic DNS (DDNS) traffic between DDNS services and the modem, could manipulate specific responses to include code that forces a buffer ove...Show more
An unauthenticated attacker on the WAN interface, with the ability to intercept Dynamic DNS (DDNS) traffic between DDNS services and the modem, could manipulate specific responses to include code that forces a buffer overflow on the modem. Customers that have not enabled Dynamic DNS on their modem are not vulnerable.Show less
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Jun 17, 2026
Apr 25, 2025
7.7 HIGH· v4
N/A· v3
N/A· v2
The device exposes a web interface on ports TCP/3030 and TCP/9882. This web service runs lighttpd, which implements the “SNORE” interface. This interface is affected by a stack buffer overflow vulnerability due to insecu...Show more
The device exposes a web interface on ports TCP/3030 and TCP/9882. This web service runs lighttpd, which implements the “SNORE” interface. This interface is affected by a stack buffer overflow vulnerability due to insecure path parsing. An attacker with access to the LAN network interface could use a specially crafted HTTP request to exploit a buffer overflow on the modem.Show less
2Fig2dev Project
Redhat
2Enterprise Linux
Fig2dev
Jun 25, 2026
Apr 23, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
A flaw was found in xfig. This vulnerability allows possible code execution via local input manipulation via bezier_spline function.
1Totolink
4A3000ru Firmware
A3100r FirmwareA830r Firmware+1 more
Jun 17, 2026
Apr 23, 2025
N/A· v4
7.3 HIGH· v3
N/A· v2
TOTOLINK A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 were found to contain a buffer overflow vulnerability in downloadFile.cgi through t...Show more
TOTOLINK A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 were found to contain a buffer overflow vulnerability in downloadFile.cgi through the v5 parameter.Show less
1Totolink
4A3000ru Firmware
A3100r FirmwareA830r Firmware+1 more
Jun 17, 2026
Apr 23, 2025
N/A· v4
7.3 HIGH· v3
N/A· v2
TOTOLINK A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 were found to contain a buffer overflow vulnerability in downloadFile.cgi through t...Show more
TOTOLINK A830R V4.1.2cu.5182_B20201102, A950RG V4.1.2cu.5161_B20200903, A3000RU V5.9c.5185_B20201128, and A3100R V4.1.2cu.5247_B20211129 were found to contain a buffer overflow vulnerability in downloadFile.cgi through the v14 parameter.Show less
1Totolink
1A810r Firmware
Jun 17, 2026
Apr 23, 2025
N/A· v4
7.3 HIGH· v3
N/A· v2
TOTOLINK A810R V4.1.2cu.5182_B20201026 was found to contain a buffer overflow vulnerability in downloadFile.cgi through the v25 parameter.
1Totolink
1A810r Firmware
Jun 17, 2026
Apr 23, 2025
N/A· v4
7.3 HIGH· v3
N/A· v2
TOTOLINK A810R V4.1.2cu.5182_B20201026 was found to contain a buffer overflow vulnerability in the downloadFile.cgi through the v14 and v3 parameters
1Totolink
1A800r Firmware
Jun 17, 2026
Apr 23, 2025
N/A· v4
7.3 HIGH· v3
N/A· v2
TOTOLINK A800R V4.1.2cu.5137_B20200730 was found to contain a buffer overflow vulnerability in downloadFile.cgi through the v25 parameter.
1Totolink
1A800r Firmware
Jun 17, 2026
Apr 23, 2025
N/A· v4
7.3 HIGH· v3
N/A· v2
TOTOLINK A800R V4.1.2cu.5137_B20200730 was found to contain a buffer overflow vulnerability in the downloadFile.cgi component
1Totolink
1A800r Firmware
Jun 17, 2026
Apr 23, 2025
N/A· v4
7.3 HIGH· v3
N/A· v2
TOTOLINK A800R V4.1.2cu.5137_B20200730 was found to contain a buffer overflow vulnerability in downloadFile.cgi through the v14 parameter.
1Totolink
1A810r Firmware
Jun 17, 2026
Apr 22, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
TOTOLINK A810R V4.1.2cu.5182_B20201026 was found to contain a buffer overflow vulnerability in the cstecgi.cgi