Buffer overflow in D-link Dir-513
CVE-2025-8169
A vulnerability classified as critical has been found in D-Link DIR-513 1.10. This affects the function formSetWanPPTPcallback of the file /goform/formSetWanPPTPpath of the component HTTP POST Request Handler. The manipulation of the argum…
Vulnerability class: Buffer Overflow
EPSS: 0.012 (79.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R.
Affected products
- D-link Dir-513 — versions 1.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- VDB-317583 | D-Link DIR-513 HTTP POST Request formSetWanPPTPpath formSetWanPPTPcallback buffer overflow (vdb-entry, technical-description)
- VDB-317583 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #620817 | D-Link DIR-513 1.10 Buffer Overflow (third-party-advisory)
- github.com/InfiniteLin/Lin-s-CVEdb/blob/main/DIR-513/formSetWanPPPoE.md (exploit)
- www.dlink.com/ (product)
Frequently asked questions
- What is CVE-2025-8169?
- CVE-2025-8169 is a high-severity vulnerability in D-link Dir-513, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2025-07-25.
- How severe is CVE-2025-8169?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2025-8169 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.