CVE-2026-5155 is a high-severity stack-based buffer overflow vulnerability affecting Tenda CH22 1.0.0.1, specifically in the `fromAdvSetWan` function when manipulating the `wanmode` argument. Rated 8.8 HIGH (CVSS:3.1), this flaw is remotely exploitable with low privileges and low attack complexity, potentially leading to high impact on confidentiality, integrity, and availability. While the exploit has been made public and could be used, there is no indication of active exploitation in the KEV catalog, and public exploit code is not yet available on common platforms like Metasploit or ExploitDB, despite some community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0.0.1CPE matchmatch criteria | cpe:2.3:o:tenda:ch22_firmware:1.0.0.1:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.