Vulnerability · Published Jul 21, 2025 · Assigned by VulDB

CVE-2025-7945D-Link DIR-513 formSetWanDhcpplus buffer overflow

High 8.8

In plain English

A high-severity buffer overflow in DIR-513 from D-Link. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 7.1% (higher than 94% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)7.1%top 5.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in D-Link DIR-513 up to 20190831. It has been declared as critical. This vulnerability affects the function formSetWanDhcpplus of the file /goform/formSetWanDhcpplus. The manipulation of the argument curTime leads to buffer overflow. The attack can be initiated remotely. This vulnerability only affects products that are no longer supported by the maintainer.

Affected products (as reported)

Vendor	Product	Versions
D-Link	DIR-513	20190831

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:X/RL:X/RC:R

References

VDB-317086 | D-Link DIR-513 formSetWanDhcpplus buffer overflow vdb-entry, technical-description
VDB-317086 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #619200 | D-Link DIR-513 10 Buffer Overflow third-party-advisory
https://github.com/LYN1ng/D-linkdir513/blob/main/Dlink_DIR-513_Buffer_Overflow_Vulnerability.md related
https://www.dlink.com/ product