Vulnerability · Published Mar 29, 2026 · Assigned by VulDB

CVE-2026-5024D-Link DIR-513 formSetEmail stack-based overflow

High 8.8

In plain English

A high-severity stack buffer overflow in DIR-513 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 44.0% 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-513 1.10. This issue affects the function formSetEmail of the file /goform/formSetEmail. Performing a manipulation of the argument curTime results in stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made public and could be used. This vulnerability only affects products that are no longer supported by the maintainer.

Affected products (as reported)

Vendor	Product	Versions
D-Link	DIR-513	1.10

Weakness: CWE-121, 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-353908 | D-Link DIR-513 formSetEmail stack-based overflow vdb-entry, technical-description
VDB-353908 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #778414 | D-Link DIR-513 1.10 Stack-based Buffer Overflow third-party-advisory
https://github.com/Litengzheng/vul_db/blob/main/Dir513/vul_30/README.md exploit
https://www.dlink.com/ product