Vulnerability · Published Nov 23, 2025 · Assigned by VulDB
CVE-2025-13549D-Link DIR-822K formNtp sub_455524 buffer overflow
High 8.8
In plain English
A high-severity buffer overflow in DIR-822K from D-Link. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 56% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.8%top 43.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was found in D-Link DIR-822K 1.00. This issue affects the function sub_455524 of the file /boafrm/formNtp. Performing manipulation of the argument submit-url results in buffer overflow. Remote exploitation of the attack is possible. The exploit has been made public and could be used.
Affected products (as reported)
Weakness: CWE-120, CWE-119 · 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
References
- VDB-333316 | D-Link DIR-822K formNtp sub_455524 buffer overflow vdb-entry, technical-description
- VDB-333316 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #693776 | D-Link DIR-822k TK_1.00_20250513164613 Buffer Overflow third-party-advisory
- https://github.com/QIU-DIE/CVE/issues/32 exploit, issue-tracking
- https://www.dlink.com/ product