Buffer overflow in Tenda Ac10
CVE-2026-5548
A vulnerability was found in Tenda AC10 16.03.10.10_multi_TDE01. Affected by this vulnerability is the function fromSysToolChangePwd of the file /bin/httpd. Performing a manipulation of the argument sys.userpass results in stack-based buff…
Vulnerability class: Buffer Overflow
EPSS: 0.000 (6.0th 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-355312 | Tenda AC10 httpd fromSysToolChangePwd stack-based overflow (technical-description, Third Party Advisory, vdb-entry)
- VDB-355312 | CTI Indicators (IOB, IOC, IOA) (signature, Permissions Required, permissions-required)
- Submit #782297 | Tenda AC10 V4 US_AC10V4.0si_V16.03.10.10_multi_TDE01 Stack-based Buffer Overflow (Third Party Advisory, third-party-advisory)
- cna@vuldb.com (related, Third Party Advisory)
- cna@vuldb.com (Product, product)
Frequently asked questions
- What is CVE-2026-5548?
- CVE-2026-5548 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-2026-5548?
- High severity. CVSS v3 base score is 8.8 out of 10.