Buffer overflow in Dlink Dir-878
CVE-2025-60674
A stack buffer overflow vulnerability exists in the D-Link DIR-878A1 router firmware FW101B04.bin in the rc binary's USB storage handling module. The vulnerability occurs when the "Serial Number" field from a USB device is read via sscanf into a 64-byte stack buffer, while fgets reads up to 127 bytes, causing a stack overflow. An attacker with physical access or control over a USB device can exploit this vulnerability to potentially execute arbitrary code on the device.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (44.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Dlink Dir-878 — versions a1
- Dlink Dir-878 Firmware — versions 1.01b04
Weakness classification (CWE)
References
- d-link.com (Product)
- www.dlink.com/en/security-bulletin/ (Vendor Advisory)
- www.dlink.com/en (Product)
- github.com/yifan20020708/SGTaint-0-day/blob/main/DLink/DLink-DIR-878/CVE-2025-6… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-60674?
- CVE-2025-60674 is a medium-severity vulnerability in Dlink Dir-878, classified under Stack-based Buffer Overflow. CVSS score: 6.8/10. Published 2025-11-13.
- How severe is CVE-2025-60674?
- Medium severity. CVSS v3 base score is 6.8 out of 10.