W20e Firmware vulnerabilities
14 known vulnerabilities in W20e Firmware from Tenda. 14 are rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.
Latest first
- 9.8 Critical severity
W20e Firmware: Buffer Copy without Checking Size of Input
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may exploit the vulnerability by specifying the value of `userInfo`. When `userInfo` is passed into the `addWewifiWhiteUser` function and processed by `sscanf` without size validation, it could
- 9.8 Critical severity
W20e Firmware: Buffer Copy without Checking Size of Input
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may send overly long `addDhcpRules` data. When these rules enter the `addDhcpRule` function and are processed by `ret = sscanf(pRule, " %d\t%[^\t]\t%[^\n\r\t]", &dhcpsIndex, dhcpsIP, dhcpsMac);
- 9.8 Critical severity
W20e Firmware: Buffer Copy without Checking Size of Input
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Failure to validate the sizes of `gstup` and `gstdwn` before concatenating them into `gstruleQos` may lead to buffer overflow.
- 9.8 Critical severity
W20e Firmware: Buffer Copy without Checking Size of Input
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may exploit the vulnerability by controlling the value of `nptr`. When this value is passed into the `getMibPrefix` function and concatenated using `sprintf` without proper size validation, it
- 9.8 Critical severity
W20e Firmware: Buffer Copy without Checking Size of Input
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may exploit the vulnerability by specifying the value of `userInfo`. When `userInfo` is passed into the `addAuthUser` function and processed by `sscanf` without size validation, it could lead t
- 9.8 Critical severity
W20e Firmware: Buffer Copy without Checking Size of Input
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may exploit the vulnerability by controlling the value of `picName`. When this value is used in `sprintf` without validating variable sizes, it could lead to a buffer overflow vulnerability.
- 9.8 Critical severity
W20e Firmware: Buffer Copy without Checking Size of Input
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Attackers may exploit the vulnerability by controlling the value of `nptr`. When this value is passed into the `getMibPrefix` function and concatenated using `sprintf` without proper size validation, it
- 9.8 Critical severity
W20e Firmware: Improper Control of Generation of Code
An issue was discovered in Tenda W20E V4.0br_V15.11.0.6. Failure to validate the value of `usbPartitionName`, which is directly used in `doSystemCmd`, may lead to critical command injection vulnerabilities.
- 8.8 High severity
W20E: Out-of-bounds Write
A vulnerability was found in Tenda W20E 15.11.0.6. It has been declared as critical. This vulnerability affects the function formSetRemoteWebManage of the file /goform/SetRemoteWebManage. The manipulation of the argument remoteIP leads to stack-based buffer ov
- 9.8 Critical severity
W20e Firmware: Out-of-bounds Write
Tenda W20E v15.11.0.6 was discovered to contain multiple stack overflows in the function formSetStaticRoute via the parameters staticRouteNet, staticRouteMask, staticRouteGateway, staticRouteWAN.
- 9.8 Critical severity
W20e Firmware: Out-of-bounds Write
Tenda W20E router V15.11.0.6 (US_W20EV4.0br_V15.11.0.6(1068_1546_841)_CN_TDC) contains a stack overflow vulnerability in the function formDelDhcpRule with the request /goform/delDhcpRules/
- 9.8 Critical severity
W20e Firmware: Out-of-bounds Write
Tenda W20E router V15.11.0.6 (US_W20EV4.0br_V15.11.0.6(1068_1546_841)_CN_TDC) contains a stack overflow vulnerability in the function formIPMacBindDel with the request /goform/delIpMacBind/
- 9.8 Critical severity
W20e Firmware: Out-of-bounds Write
Tenda W20E router V15.11.0.6 (US_W20EV4.0br_V15.11.0.6(1068_1546_841)_CN_TDC) contains a stack overflow vulnerability in the function formSetDebugCfg with request /goform/setDebugCfg/
- 9.8 Critical severity
W20e Firmware: Out-of-bounds Write
Tenda W20E router V15.11.0.6 contains a stack overflow in the function formSetPortMapping with post request 'goform/setPortMapping/'. This vulnerability allows attackers to cause a Denial of Service (DoS) or Remote Code Execution (RCE) via the portMappingServe