6.5
MEDIUM CVSS 3.1
CVE-2026-4795
Zyxel GS1200 Series Missing Authorization Vulnerability (Configuration Disclosure)
Description

A missing authorization vulnerability in Zyxel GS1200-5v3 firmware versions through 1.00(ACPS.2)C0, GS1200-8v3 firmware versions through 1.00(ACPT.2)C0,  GS1200-5HPv3 firmware versions through 1.00(ACPU.2)C0, GS1200-8HPv3 firmware versions through 1.00(ACPV.2)C0, and GS1200-10v3 firmware versions through 1.00(ACPW.2)C0 could allow a LAN-based, unauthenticated attacker to read the system configuration from a log file via a crafted HTTP request.

INFO

Published Date :

May 26, 2026, 1:42 a.m.

Last Modified :

May 26, 2026, 1:42 a.m.

Remotely Exploit :

No

Source :

Zyxel
Affected Products

The following products are affected by CVE-2026-4795 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 96e50032-ad0d-4058-a115-4d2c13821f9f
Solution
Update Zyxel GS1200 series firmware to the latest available version to fix authorization issues.
  • Update firmware for GS1200-5v3 to 1.00(ACPS.2)C0 or later.
  • Update firmware for GS1200-8v3 to 1.00(ACPT.2)C0 or later.
  • Update firmware for GS1200-5HPv3 to 1.00(ACPU.2)C0 or later.
  • Update firmware for GS1200-8HPv3 to 1.00(ACPV.2)C0 or later.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-4795 vulnerability anywhere in the article.

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.