Vulnerability · Published Jun 30, 2025 · Assigned by VulDB

CVE-2025-6881D-Link DI-8100 jhttpd pppoe_base.asp buffer overflow

High 8.8

In plain English

A high-severity buffer overflow in DI-8100 from D-Link. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)1.0%top 36.9% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

A vulnerability was found in D-Link DI-8100 16.07.21. It has been rated as critical. Affected by this issue is some unknown functionality of the file /pppoe_base.asp of the component jhttpd. The manipulation of the argument mschap_en leads to buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products (as reported)

Vendor	Product	Versions
D-Link	DI-8100	16.07.21

Weakness: CWE-120, 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-314360 | D-Link DI-8100 jhttpd pppoe_base.asp buffer overflow vdb-entry, technical-description
VDB-314360 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
Submit #603692 | D-Link DI-8100 16.07.21 Buffer Overflow third-party-advisory
https://www.dlink.com/ product