Vulnerability · Published Jul 23, 2020 · Assigned by zdi

CVE-2020-15633

High 8.8

In plain English

A high-severity authentication bypass in Multiple Routers 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 2.9% (higher than 87% of all known vulnerabilities).

Severity (CVSS 3.0)8.8High
Exploit odds (30 days)2.9%top 13.0% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of D-Link DIR-867, DIR-878, and DIR-882 routers with firmware 1.20B10_BETA. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of HNAP requests. The issue results from incorrect string matching logic when accessing protected pages. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the router. Was ZDI-CAN-10835.

Affected products (as reported)

VendorProductVersions
D-Link Multiple Routers 1.20B10_BETA

Weakness: CWE-288 · Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References