Stack-based Buffer Overflow in D-Link DI-8100 HTTP Request Handler
CVE-2025-7603

8.6HIGH

Key Information:

Vendor

D-link
Status
Di-8100
Vendor
CVE Published:
14 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-7603?

A vulnerability exists in the D-Link DI-8100's HTTP Request Handler, specifically within the /jingx.asp file. An attacker can exploit this flaw remotely by manipulating input, leading to a stack-based buffer overflow. The vulnerability has been publicly disclosed, making it a potential target for attackers. Users are advised to review their security measures and keep their firmware up to date to protect against possible exploitation.

Affected Version(s)

DI-8100 16.07.26A1

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-2025-7603 - Proof of Concept

References

https://vuldb.com/?id.316302
vdb-entry
https://vuldb.com/?ctiid.316302
signaturepermissions-required
https://vuldb.com/?submit.615320
third-party-advisory

CVSS V4

Score:
8.6
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

XiDP (VulDB User)
.
CVE-2025-7603 : Stack-based Buffer Overflow in D-Link DI-8100 HTTP Request Handler