Buffer overflow in Tenda Ac18
CVE-2025-9023
A vulnerability has been found in Tenda AC7 and AC18 15.03.05.19/15.03.06.44. Affected is the function formSetSchedLed of the file /goform/SetLEDCfg. The manipulation of the argument Time leads to buffer overflow. It is possible to launch…
Vulnerability class: Buffer Overflow
EPSS: 0.006 (68.6th 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/E:P/RL:X/RC:R.
Affected products
- Tenda Ac18 — versions 15.03.05.19, 15.03.06.44
- Tenda Ac7 — versions 15.03.05.19, 15.03.06.44
Weakness classification (CWE)
Public proof-of-concept exploits
References
- VDB-320088 | Tenda AC7/AC18 SetLEDCfg formSetSchedLed buffer overflow (vdb-entry, technical-description)
- VDB-320088 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #629692 | Tenda AC7 V15.03.06.44 Buffer Overflow (third-party-advisory)
- Submit #629696 | Tenda AC18 V15.03.05.19(6318) Buffer Overflow (Duplicate) (third-party-advisory)
- github.com/zezhifu1/cve_report/blob/main/AC7/formsetschedled.md (related)
- github.com/zezhifu1/cve_report/blob/main/AC18/formsetschedled.md (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2025-9023?
- CVE-2025-9023 is a high-severity vulnerability in Tenda Ac18, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2025-08-15.
- How severe is CVE-2025-9023?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-9023 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.