An issue was discovered in Tenda AC8 v4.0 AC1200 Dual-band Gigabit Wireless Router…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-287.
Summary
An issue was discovered in Tenda AC8 v4.0 AC1200 Dual-band Gigabit Wireless Router AC8v4.0 Firmware 16.03.33.05. The root password of the device is calculated with a static string and the last two octets of the MAC address of the device. This allows an unauthenticated attacker to authenticate with network services on the device.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-52054
- 2026-10-03 Alias added: GHSA-r47c-pfw7-wg32
References
More Tenda Ac8 Firmware vulnerabilities
- TI-2025-20992 Tenda AC8 V16.03.34.06 is vulnerable to Buffer Overflow in the fromSetRouteStatic function via the parameter list. CVSS 3.1CRITICAL 9.8
- TI-2024-31083 Tenda AC8v4 V16.03.34.06 has a stack overflow vulnerability in the fromAdvSetMacMtuWan function. CVSS 3.1CRITICAL 9.8
- TI-2023-20197 Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC8 v4 V16.03.34.06, AC6 V2.0… CVSS 3.1CRITICAL 9.8
- TI-2023-20195 Tenda AC1206 V15.03.06.23, AC8 V4 V16.03.34.06, AC5 V1.0 V15.03.06.28, AC10 v4.0… CVSS 3.1CRITICAL 9.8
- TI-2023-20191 Tenda AC10 V1.0 V15.03.06.23, AC1206 V15.03.06.23, AC8 v4 V16.03.34.06, AC6 V2.0… CVSS 3.1CRITICAL 9.8
- TI-2023-04372 Tenda AC8 formSetDeviceName stack-based overflow CVSS 3.1CRITICAL 9.8
Sources
- CVE-2025-52054 · CVE Program
- CVE-2025-52054 · NVD
- FIRST EPSS
- GHSA-r47c-pfw7-wg32 · GitHub Advisory Database · CC BY 4.0
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