Vulnerability · Published Mar 20, 2026 · Assigned by VulDB

CVE-2026-4486D-Link DIR-513 Web Service formEasySetPassword 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 0.6% (higher than 51% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)0.6%top 49.4% 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 affects the function formEasySetPassword of the file /goform/formEasySetPassword of the component Web Service. The manipulation of the argument curTime results in stack-based buffer overflow. The attack may be performed from remote. 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-352009 | D-Link DIR-513 Web Service formEasySetPassword stack-based overflow vdb-entry, technical-description
VDB-352009 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #773537 | D-Link DIR-513 1.10 Buffer Overflow third-party-advisory
Submit #773566 | D-Link DIR-513 1.10 Buffer Overflow (Duplicate) third-party-advisory
https://github.com/InfiniteLin/Lin-s-CVEdb/blob/main/DIR-513/formEasySetPassword/formEasySetPassword.md related
https://github.com/InfiniteLin/Lin-s-CVEdb/blob/main/DIR-513/formEasySetPassword/poc.py exploit
https://www.dlink.com/ product