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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
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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 30, 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
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Jun 17, 2026
Apr 22, 2025
8.6 HIGH· v4
8.0 HIGH· v3
7.7 HIGH· v2
A vulnerability, which was classified as critical, was found in H3C GR-3000AX up to V100R006. Affected is the function EnableIpv6/UpdateWanModeMulti/UpdateIpv6Params/EditWlanMacList/Edit_List_SSID of the file /goform/asp...Show more
A vulnerability, which was classified as critical, was found in H3C GR-3000AX up to V100R006. Affected is the function EnableIpv6/UpdateWanModeMulti/UpdateIpv6Params/EditWlanMacList/Edit_List_SSID of the file /goform/aspForm of the component HTTP POST Request Handler. The manipulation of the argument param leads to buffer overflow. The attack needs to be initiated within the local network. The exploit has been disclosed to the public and may be used. It is recommended to upgrade the affected component. Other functions might be affected as well.Show less
1Markparticle
1Webserver
Jun 17, 2026
Apr 21, 2025
6.9 MEDIUM· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
A vulnerability was found in markparticle WebServer up to 1.0. It has been declared as critical. Affected by this vulnerability is the function Buffer::HasWritten of the file code/buffer/buffer.cpp. The manipulation of t...Show more
A vulnerability was found in markparticle WebServer up to 1.0. It has been declared as critical. Affected by this vulnerability is the function Buffer::HasWritten of the file code/buffer/buffer.cpp. The manipulation of the argument writePos_ leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.Show less
1Astrolog
1Astrolog
Jun 17, 2026
Apr 18, 2025
N/A· v4
7.8 HIGH· v3
N/A· v2
A buffer overflow vulnerability in Astrolog v7.70 allows attackers to execute arbitrary code or cause a Denial of Service (DoS) via an overly long environment variable passed to FileOpen function.
1Tenda
1Ac15 Firmware
Jun 17, 2026
Apr 18, 2025
8.7 HIGH· v4
8.8 HIGH· v3
9.0 HIGH· v2
A vulnerability was found in Tenda AC15 up to 15.03.05.19 and classified as critical. This issue affects the function fromSetWirelessRepeat of the file /goform/WifiExtraSet. The manipulation of the argument mac leads to...Show more
A vulnerability was found in Tenda AC15 up to 15.03.05.19 and classified as critical. This issue affects the function fromSetWirelessRepeat of the file /goform/WifiExtraSet. The manipulation of the argument mac leads to buffer overflow. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.Show less
1Razormist
1Phone Management System
Jun 17, 2026
Apr 17, 2025
4.8 MEDIUM· v4
7.8 HIGH· v3
4.3 MEDIUM· v2
A vulnerability classified as critical has been found in SourceCodester Phone Management System 1.0. This affects the function main of the component Password Handler. The manipulation of the argument s leads to buffer ov...Show more
A vulnerability classified as critical has been found in SourceCodester Phone Management System 1.0. This affects the function main of the component Password Handler. The manipulation of the argument s leads to buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.Show less
1Pcman
1Ftp Server
Jun 17, 2026
Apr 17, 2025
6.9 MEDIUM· v4
9.8 CRITICAL· v3
7.5 HIGH· v2
A vulnerability was found in PCMan FTP Server 2.0.7. It has been rated as critical. Affected by this issue is some unknown functionality of the component MPUT Command Handler. The manipulation leads to buffer overflow. T...Show more
A vulnerability was found in PCMan FTP Server 2.0.7. It has been rated as critical. Affected by this issue is some unknown functionality of the component MPUT Command Handler. The manipulation leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.Show less
1Alfa
1Wifi Camppro Firmware
Jun 17, 2026
Apr 17, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Buffer Overflow vulnerability inALFA WiFi CampPro router ALFA_CAMPRO-co-2.29 allows a remote attacker to execute arbitrary code via the hiddenIndex in the function StorageEditUser
1Alfa
1Wifi Camppro Firmware
Jun 17, 2026
Apr 17, 2025
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Buffer Overflow vulnerability inALFA WiFi CampPro router ALFA_CAMPRO-co-2.29 allows a remote attacker to execute arbitrary code via the GAPSMinute3 key value