Buffer overflow in Tenda Ch22
CVE-2025-8180
A vulnerability, which was classified as critical, has been found in Tenda CH22 1.0.0.1. Affected by this issue is the function formdeleteUserName of the file /goform/deleteUserName. The manipulation of the argument old_account leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public 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: 0.096 (95.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.078 · newest: 0.096 · change: +0.018
Affected products
- Tenda Ch22 — versions 1.0.0.1
- Tenda Ch22 Firmware — versions 1.0.0.1
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, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/zhu-haiqin/cve/issues/1 (issue-tracking, exploit, Broken Link)
- www.tenda.com.cn/ (Product, product)
Frequently asked questions
- What is CVE-2025-8180?
- CVE-2025-8180 is a high-severity vulnerability in Tenda Ch22, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2025-07-26.
- How severe is CVE-2025-8180?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-8180 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.