CVE-2025-50398 — CRITICAL (9.8)

Vulnerability Description

Mercury D196G d196gv1-cn-up_2020-01-09_11.21.44 is vulnerable to Buffer Overflow in the function sub_404CAEDC via the parameter fac_password.

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
Mercurycom	D196G Firmware	-
Mercurycom	D196G	-

Related Weaknesses (CWE)

CWE-120

References

https://github.com/sezangel/IOT-vul/tree/main/Mercury/D196G/2ExploitThird Party Advisory
https://github.com/sezangel/IOT-vul/tree/main/Mercury/D196G/2ExploitThird Party Advisory

FAQ

What is CVE-2025-50398?

CVE-2025-50398 is a vulnerability with a CVSS score of 9.8 (CRITICAL). Mercury D196G d196gv1-cn-up_2020-01-09_11.21.44 is vulnerable to Buffer Overflow in the function sub_404CAEDC via the parameter fac_password.

How severe is CVE-2025-50398?

CVE-2025-50398 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-2025-50398?

Check the references section above for vendor advisories and patch information. Affected products include: Mercurycom D196G Firmware, Mercurycom D196G.