Remote Stack-based Buffer Overflow in D-Link DIR-513 Boa Webserver
CVE-2025-7910

8.7HIGH

Key Information:

Vendor

D-link
Status
Dir-513
Vendor
CVE Published:
20 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7910?

A stack-based buffer overflow vulnerability has been identified in the Boa Webserver component of D-Link DIR-513 version 1.10. This vulnerability stems from improper handling of the 'curTime' argument in the '/goform/formSetWanNonLogin' file, which can be exploited remotely. Due to the buffer overflow, an attacker may potentially execute arbitrary code or manipulate the device's behavior. Notably, this issue affects products that are no longer actively supported by the vendor, posing significant risks to users running this unpatched hardware.

Affected Version(s)

DIR-513 1.10

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-7910 - Proof of Concept

References

https://vuldb.com/?id.317025
vdb-entrytechnical-description
https://vuldb.com/?ctiid.317025
signaturepermissions-required
https://vuldb.com/?submit.618594
third-party-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

bazhuayu (VulDB User)
.
CVE-2025-7910 : Remote Stack-based Buffer Overflow in D-Link DIR-513 Boa Webserver