CVE-2022-40855

CWE-787 — Out-of-bounds Write3 documents3 sources
Severity
9.8CRITICAL
EPSS
3.1%
top 13.25%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Tenda W20e Firmware
Timeline
PublishedSep 23
Latest updateSep 25

Description

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 portMappingServer, portMappingProtocol, portMappingWan, porMappingtInternal, and portMappingExternal parameters.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages1 packages

▶NVDtenda/w20e_firmware15.11.0.6

🔴Vulnerability Details

2
GHSA
GHSA-526f-868j-w52f: Tenda W20E router V15↗2022-09-25
▶
CVEList
CVE-2022-40855: Tenda W20E router V15↗2022-09-23
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CVE-2022-40855 (CRITICAL CVSS 9.8) | Tenda W20E router V15.11.0.6 contai | cvebase.io