PT-2021-4482 · D Link · D-Link Dir-880L

Published 2021-06-04 · Updated 2022-07-12 · CVE-2020-29322

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions D-Link DIR-880L version 1.07

Description The issue is related to insufficient protection of registration data in the telnet service of the D-Link DIR-880L router's firmware. This allows an unauthenticated attacker to gain access to the firmware and extract sensitive data through decompilation of the firmware.

Recommendations For D-Link DIR-880L version 1.07, consider disabling the telnet service as a temporary workaround until a patch is available. Restrict access to the firmware to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Insufficiently Protected Credentials

Using Hardcoded Credentials

Weakness Enumeration

CWE-522

CWE-798

Related Identifiers

BDU:2021-05115

CVE-2020-29322

Affected Products

D-Link Dir-880L

References · 5

• 🔥 https://cybersecurityworks.com/zerodays/cve-2020-29322-telnet-hardcoded-credentials.html · Exploit
• https://bdu.fstec.ru/vul/2021-05115 · Security Note
• https://osv.dev/vulnerability/CVE-2020-29322 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-29322 · Security Note
• https://t.me/cvenotify/15607 · Telegram Post