Buffer overflow in Totolink N600r
CVE-2025-60334
TOTOLINK N600R v4.3.0cu.7866_B20220506 was discovered to contain a stack overflow in the ssid parameter in the setWiFiBasicConfig function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted input.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.006 (46.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 46.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.000
Affected products
- Totolink N600r
- Totolink N600r Firmware — versions 4.3.0cu.7866_b20220506
Weakness classification (CWE)
References
- github.com/z472421519/BinaryAudit/tree/main/PoC/BOF/TOTOLINK/sub_41E0C0 (Exploit, Third Party Advisory)
- github.com/z472421519/BinaryAudit/blob/main/PoC/BOF/TOTOLINK/sub_41E0C0/ssid.md (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-60334?
- CVE-2025-60334 is a high-severity vulnerability in Totolink N600r, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2025-10-22.
- How severe is CVE-2025-60334?
- High severity. CVSS v3 base score is 7.5 out of 10.