CVE-2024-48271: dsl-6740c — Exploit

Description

D-Link DSL6740C v6.TR069.20211230 was discovered to use insecure default credentials for Administrator access, possibly allowing attackers to bypass authentication and escalate privileges on the device via a bruteforce attack.

Is your site exposed to CVE-2024-48271?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-521 CWE-521

Affected Products

Vendor	Product	Versions
dlink	dsl-6740c_firmware	All
dlink	dsl-6740c	All

References

Exploits

https://gist.github.com/stevenyu113228/e264c145d6e6e6b59cf53fddc27409ad#1--predictable-administrator-credentials-in-d-link-dsl6740c-modem

Other References

https://www.dlink.com/en/security-bulletin/

Frequently Asked Questions

What is CVE-2024-48271? +

D-Link DSL6740C v6.TR069.20211230 was discovered to use insecure default credentials for Administrator access, possibly allowing attackers to bypass authentication and escalate privileges on the device via a bruteforce attack. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2024-48271? +

CVE-2024-48271 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-48271? +

CVE-2024-48271 affects products from dlink, specifically: dsl-6740c, dsl-6740c_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-48271? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-67513

FreePBX Endpoint Manager is a module for managing telephony endpoints in FreePBX systems. Versions prior to 16.0.96 and 17.0.1 through …

CVE-2025-9964

No password for the root user is set in Novakon P series. This allows phyiscal attackers to enter the console …

CVE-2026-35097

KTM System e-BOK enforces a maximum password length of six numeric digits and does not permit the use of any …

CVE-2025-34058

Hikvision Streaming Media Management Server v2.3.5 uses default credentials that allow remote attackers to authenticate and access restricted functionality. After …

CVE-2025-53963 9.8

An issue was discovered on Thermo Fisher Ion Torrent OneTouch 2 INS1005527 devices. They run an SSH server accessible over …

CVE-2025-11200 9.8

MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to bypass authentication on affected installations of MLflow. …

CVE-2024-48271