High 8.8Published Mar 21, 2026

CVE-2026-4534Tenda FH451 WrlExtraSet formWrlExtraSet stack-based overflow

Updated under an hour ago (Oct 26, 2026, 4:30 AM ET)

Does this affect you?

It affects Tenda FH451. 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 FH451

Exploited in the last 30 days

A flaw has been found in Tenda FH451 1.0.0.9. This affects the function formWrlExtraSet of the file /goform/WrlExtraSet. This manipulation of the argument GO causes stack-based buffer overflow. The attack can 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: Mar 23, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Tenda FH451 tenda:fh451_firmware	1.0.0.9	CNA record
tenda fh451_firmware tenda:fh451_firmware	1.0.0.9	NVD

References

https://vuldb.com/?id.352322vdb-entry, technical-description, third-party-advisory
https://vuldb.com/?ctiid.352322signature, permissions-required, vdb-entry
https://vuldb.com/?submit.774342third-party-advisory, vdb-entry
https://github.com/Litengzheng/vul_db/blob/main/FH451/vul_41/README.mdexploit, third-party-advisory
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.