Buffer overflow in Tenda Ac10
CVE-2026-5550
A vulnerability was identified in Tenda AC10 16.03.10.10_multi_TDE01. This affects the function fromSysToolChangePwd of the file /bin/httpd. The manipulation leads to stack-based buffer overflow. The attack may be initiated remotely. Multiple endpoints might be affected.
Vulnerability class: Buffer Overflow
EPSS: 0.005 (40.9th percentile) — read the EPSS interpretation.
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.
Affected products
- Tenda Ac10 — versions 4.0, 16.03.10.10_multi_TDE01
- Tenda Ac10_firmware — versions 16.03.10.10_multi_tde01
Weakness classification (CWE)
References
- cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
- cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
- cna@vuldb.com (related, Third Party Advisory, Mitigation)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2026-5550?
- CVE-2026-5550 is a high-severity vulnerability in Tenda Ac10, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-04-05.
- How severe is CVE-2026-5550?
- High severity. CVSS v3 base score is 8.8 out of 10.