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. Multi…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (26.5th 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
- VDB-355314 | Tenda AC10 httpd fromSysToolChangePwd stack-based overflow (technical-description, Third Party Advisory, VDB Entry, vdb-entry)
- VDB-355314 | CTI Indicators (IOB, IOC, IOA) (signature, Permissions Required, permissions-required, VDB Entry)
- Submit #782299 | Tenda AC10 V4 US_AC10V4.0si_V16.03.10.10_multi_TDE01 Stack-based Buffer Overflow (Third Party Advisory, VDB Entry, 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.