High 8.8Published Apr 12, 2026

CVE-2026-6121Tenda F451 httpd WrlclientSet stack-based overflow

Updated under an hour ago (Oct 26, 2026, 10:40 PM ET)

Does this affect you?

It affects Tenda F451. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Tenda F451

Exploited in the last 30 days

A flaw has been found in Tenda F451 1.0.0.7. Affected by this vulnerability is the function WrlclientSet of the file /goform/WrlclientSet of the component httpd. This manipulation of the argument GO causes stack-based buffer overflow. The attack may be initiated remotely. The exploit has been published and may be used.

CVSS: 8.8 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
Weakness (CWE): CWE-121, CWE-119
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Analyzed
Record last updated: Apr 13, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Tenda F451 tenda:f451_firmware	1.0.0.7	CNA record
tenda f451_firmware tenda:f451_firmware	1.0.0.7	NVD

References

References

https://vuldb.com/vuln/356984	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/vuln/356984/cti	signature, permissions-required, vdb-entry
https://vuldb.com/submit/792865	third-party-advisory, vdb-entry
https://github.com/Jimi-Lab/cve/issues/12	exploit, issue-tracking, broken-link
https://www.tenda.com.cn/	product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.