CVE-2026-4535 is a high-severity (CVSS 8.8) stack-based buffer overflow vulnerability affecting the WrlclientSet function in Tenda FH451 1.0.0.9 firmware. A remote attacker with low privileges can exploit this vulnerability without user interaction to achieve complete compromise of confidentiality, integrity, and availability. The exploit has been publicly disclosed, increasing the potential for exploitation, though it is not currently listed in CISA's KEV catalog. While there are no known Metasploit or ExploitDB modules, and community discussion is limited, the public disclosure warrants attention due to the ease of exploitation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0.0.9CPE matchmatch criteria | cpe:2.3:o:tenda:fh451_firmware:1.0.0.9:*:*:*:*:*:*:* |
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.