CVE-2025-61498: A buffer overflow in the UPnP service of Tenda AC8 Hardware v03.03.10.01 allows attackers to cause a Denial of
CVE-2025-61498 is a high-severity flaw (CVSS 7.5) affecting ac8 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A buffer overflow in the UPnP service of Tenda AC8 Hardware v03.03.10.01 allows attackers to cause a Denial of Service (DoS) via supplying a crafted packet.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 68%) |
| CISA exploited list | No |
| Weakness | CWE-121 |
| Published | 2025-10-30 |
| Last modified | 2026-10-27 |
Last updated 2026-10-27 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-61498?
ac8 firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2025-61498 being exploited?
CVE-2025-61498 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-61498 affect?
CVE-2025-61498 affects ac8 firmware. Severity is high (CVSS 7.5). A buffer overflow in the UPnP service of Tenda AC8 Hardware v03.03.10.01 allows attackers to cause a Denial of Service (DoS) via supplying a crafted packet.
How urgent is CVE-2025-61498?
Priority 39/100. High severity; Remotely exploitable, no login, no user action