Buffer overflow in Tenda F456
CVE-2026-7080
A security vulnerability has been detected in Tenda F456 1.0.0.5. This impacts the function fromPPTPUserSetting of the file /goform/PPTPUserSetting of the component httpd. Such manipulation of the argument delno leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed publicly and may be used.
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 (61.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.6% 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 F456 — versions 1.0.0.5
- Tenda F456 Firmware — versions 1.0.0.5
Weakness classification (CWE)
References
- vuldb.com/vuln/359655 (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/vuln/359655/cti (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/submit/798463 (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/Litengzheng/vuldb_new/blob/main/F456/vul_132/README.md (Exploit, Third Party Advisory, exploit)
- www.tenda.com.cn/ (Product, product)
Frequently asked questions
- What is CVE-2026-7080?
- CVE-2026-7080 is a high-severity vulnerability in Tenda F456, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-04-27.
- How severe is CVE-2026-7080?
- High severity. CVSS v3 base score is 8.8 out of 10.