Buffer overflow in Tenda F453
CVE-2026-3167
A security flaw has been discovered in Tenda F453 1.0.0.3. The impacted element is the function formWebTypeLibrary of the file /goform/webtypelibrary of the component httpd. Performing a manipulation of the argument webSiteId results in buffer overflow. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (62.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 63rd percentile — 62.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.010 · change: +0.004
Affected products
- Tenda F453 — versions 1.0.0.3
- Tenda F453 Firmware — versions 1.0.0.3
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/Litengzheng/vul_db/blob/main/F453/vul_66/README.md (Exploit, Third Party Advisory, exploit)
- www.tenda.com.cn/ (Product, product)
Frequently asked questions
- What is CVE-2026-3167?
- CVE-2026-3167 is a high-severity vulnerability in Tenda F453, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-02-25.
- How severe is CVE-2026-3167?
- High severity. CVSS v3 base score is 8.8 out of 10.