PT-2021-4492 · D Link · Dir-885L-Mfc

Published 2021-06-04 · Updated 2022-07-12 · CVE-2020-29323

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 router DIR-885L-MFC versions 1.15b02 through 1.21b05

Description The issue is related to insufficient protection of registration data in the telnet service of the D-link router DIR-885L-MFC, allowing an unauthenticated attacker to gain access to the firmware and extract sensitive data through decompilation of firmware.

Recommendations For versions 1.15b02 through 1.21b05, as a temporary workaround, consider disabling the telnet service until a patch is available. 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:2021-05126

CVE-2020-29323

Affected Products

Dir-885L-Mfc

References · 5

• 🔥 https://cybersecurityworks.com/zerodays/cve-2020-29323-telnet-hardcoded-credentials.html · Exploit
• https://bdu.fstec.ru/vul/2021-05126 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2020-29323 · Security Note
• https://osv.dev/vulnerability/CVE-2020-29323 · Vendor Advisory
• https://t.me/cvenotify/15605 · Telegram Post