CVE-2025-59365: ASUS Router · Stack-based Buffer Overflow
Affects ASUS RouterSource CVE Database V5
Not known to be exploited · CVSS 6.9 Medium.
Data as of 25 Oct 2026, 18:53 UTC
- EPSS
- 0.4% chance of exploitation in 30 days – higher than 35% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 25 Nov 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. Immediately inventory all ASUS routers within the organization to identify devices running affected firmware versions (3.0.0.4_386, 3.0.0.4_388, 3.0.0.6_102). 2. Monitor ASUS security advisories closely and apply firmware updates as soon as official patches are released. 3. Restrict administrative access to routers using network segmentation and strong authentication mechanisms such as multi-factor authentication (MFA) to reduce the risk of credential compromise. 4. Implement strict access control lists (ACLs) to limit management interface exposure to trusted IP addresses only. 5. Regularly audit router logs for unusual or unauthorized access attempts that could indicate exploitation attempts. 6. Employ network intrusion detection/prevention systems (IDS/IPS) tuned to detect anomalous traffic patterns targeting router management interfaces. 7. Educate network administrators on the importance of credential security and recognizing phishing attempts that could lead to credential theft. 8. Consider deploying redundant network paths or failover mechanisms to maintain availability in case of device failure. 9. If immediate patching is not possible, temporarily disable remote management interfaces or restrict them to internal networks to reduce exposure. 10. Maintain up-to-date backups of router configurations to enable rapid recovery if devices become unstable or compromised.
Description
A stack buffer overflow vulnerability has been identified in certain router models. An authenticated attacker may trigger this vulnerability by sending a crafted request, potentially impacting the availability of the device. Refer to the ' Security Update for ASUS Router Firmware' section on the ASUS Security Advisory for more information.