CVE-2025-51630: n/a
Source CVE Database V5
Not known to be exploited · CVSS 9.8 Critical.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 43% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 17 Jul 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
AI-suggested
1. Immediate mitigation should include restricting access to the router’s management interface by disabling remote management or limiting it to trusted IP addresses. 2. Network segmentation should be enforced to isolate vulnerable devices from critical systems. 3. Monitor network traffic for unusual activity or attempts to exploit the ePort parameter. 4. Apply any available firmware updates from TOTOLINK as soon as they are released. 5. 6. Implement strong authentication mechanisms for router management interfaces, including complex passwords and, if supported, multi-factor authentication. 7. Regularly audit router configurations to ensure port filtering rules and other security settings have not been tampered with. 8. Employ intrusion detection/prevention systems (IDS/IPS) to detect exploitation attempts targeting this vulnerability. 9. Educate IT staff about the vulnerability and ensure incident response plans include steps for router compromise scenarios.
Description
TOTOLINK N350RT V9.3.5u.6139_B20201216 was discovered to contain a buffer overflow via the ePort parameter in the function setIpPortFilterRules.