Vulnerability in Tenda G1
CVE-2025-8980
A vulnerability has been found in Tenda G1 16.01.7.8(3660). Affected by this issue is the function check_upload_file of the component Firmware Update Handler. The manipulation leads to insufficient verification of data authenticity. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.6 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (26.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000
Affected products
- Tenda G1 — versions 16.01.7.8(3660)
- Tenda G1 Firmware — versions 16.01.7.8(3660), 16.01.7.8\(3660\)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/IOTRes/IOT_Firmware_Update/blob/main/Tenda/G1_Inte.md (Third Party Advisory, patch)
- github.com/IOTRes/IOT_Firmware_Update/blob/main/Tenda/G1_Auth.md (Third Party Advisory, exploit, patch)
- www.tenda.com.cn/ (Product, product)
Frequently asked questions
- What is CVE-2025-8980?
- CVE-2025-8980 is a medium-severity vulnerability in Tenda G1, classified under Insufficient Verification of Data Authenticity. CVSS score: 6.6/10. Published 2025-08-14.
- How severe is CVE-2025-8980?
- Medium severity. CVSS v3 base score is 6.6 out of 10.
- Is CVE-2025-8980 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.