Buffer overflow in D-link Dir-822k
CVE-2025-13548
A vulnerability has been found in D-Link DIR-822K and DWR-M920 1.00_20250513164613/1.1.50. This vulnerability affects unknown code of the file /boafrm/formFirewallAdv. Such manipulation of the argument submit-url leads to buffer overflow…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (35.1th 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-822k — versions 1.00_20250513164613, 1.1.50
- D-link Dwr-m920 — versions 1.00_20250513164613, 1.1.50
Weakness classification (CWE)
References
- VDB-333315 | D-Link DIR-822K/DWR-M920 formFirewallAdv buffer overflow (vdb-entry, technical-description)
- VDB-333315 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #693767 | D-Link DIR-822k TK_1.00_20250513164613 Buffer Overflow (third-party-advisory)
- Submit #695433 | D-Link DWR-M920 v1.1.50 Buffer Overflow (Duplicate) (third-party-advisory)
- github.com/QIU-DIE/CVE/issues/31 (issue-tracking)
- github.com/QIU-DIE/CVE/issues/43 (exploit, issue-tracking)
- www.dlink.com/ (product)
Frequently asked questions
- What is CVE-2025-13548?
- CVE-2025-13548 is a high-severity vulnerability in D-link Dir-822k, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2025-11-23.
- How severe is CVE-2025-13548?
- High severity. CVSS v3 base score is 8.8 out of 10.