Buffer Overflow Vulnerability in D-Link DI-8100 Router
CVE-2025-6881

8.7HIGH

Key Information:

Vendor

D-link
Status
Di-8100
Vendor
CVE Published:
30 June 2025

What is CVE-2025-6881?

A buffer overflow vulnerability exists in the D-Link DI-8100 router, specifically within the /pppoe_base.asp file of the jhttpd component. This flaw allows attackers to manipulate the mschap_en argument, potentially enabling remote exploitation. If successfully exploited, this vulnerability can lead to unauthorized access or execution of arbitrary code. It is crucial for users to review their systems and apply necessary updates to mitigate any associated risks.

Affected Version(s)

DI-8100 16.07.21

References

https://vuldb.com/?id.314360
vdb-entrytechnical-description
https://vuldb.com/?ctiid.314360
signaturepermissions-required
https://vuldb.com/?submit.603692
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

  • Vulnerability published

  • Vulnerability Reserved

Credit

bazhuayu (VulDB User)
.
CVE-2025-6881 : Buffer Overflow Vulnerability in D-Link DI-8100 Router