CVE-2021-46442 — CRITICAL (9.8)

Vulnerability Description

In the "webupg" binary of D-Link DIR-825 G1, attackers can bypass authentication through parameters "autoupgrade.asp", and perform functions such as downloading configuration files and updating firmware without authorization.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Dlink	Dir-825 Firmware	-
Dlink	Dir-825	g1

References

https://github.com/tgp-top/D-Link-DIR-825ExploitThird Party Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory
https://github.com/tgp-top/D-Link-DIR-825ExploitThird Party Advisory
https://www.dlink.com/en/security-bulletin/Vendor Advisory

FAQ

What is CVE-2021-46442?

CVE-2021-46442 is a vulnerability with a CVSS score of 9.8 (CRITICAL). In the "webupg" binary of D-Link DIR-825 G1, attackers can bypass authentication through parameters "autoupgrade.asp", and perform functions such as downloading configuration files and updating firmwa...

How severe is CVE-2021-46442?

CVE-2021-46442 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2021-46442?

Check the references section above for vendor advisories and patch information. Affected products include: Dlink Dir-825 Firmware, Dlink Dir-825.