#VU112711 Buffer overflow in DIR-513 - CVE-2025-6882

Vulnerability identifier: #VU112711

Vulnerability risk: Medium

CVSSv4.0: 6.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-6882

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
DIR-513
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: D-Link

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in the /goform/formSetWanPPTP file. A remote user can trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

DIR-513: All versions

---

External links
https://vuldb.com/?ctiid.314361
https://vuldb.com/?id.314361
https://vuldb.com/?submit.603693
https://vuldb.com/?submit.603693
https://www.dlink.com/
https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10436

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.