Buffer overflow in Totolink N600r
CVE-2025-46060
Buffer Overflow vulnerability in TOTOLINK N600R v4.3.0cu.7866_B2022506 allows a remote attacker to execute arbitrary code via the UPLOAD_FILENAME component
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.010 (60.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.010 · change: +0.001
Affected products
- Totolink N600r
- Totolink N600r Firmware — versions 4.3.0cu.7866_b2022506
Weakness classification (CWE)
Public proof-of-concept exploits
References
- totolink.com (Product)
- github.com/Luanruy/qax (Exploit, Third Party Advisory)
- github.com/Luanruy/qax/blob/main/CVE-2025-46060_Info.md (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-46060?
- CVE-2025-46060 is a critical-severity vulnerability in Totolink N600r, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2025-06-13.
- How severe is CVE-2025-46060?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-46060 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.