Which products and versions are affected by CVE-2026-107441?

Affected: GS1900-10HP firmware; GS1900-16 firmware; GS1900-24E firmware, among others. The full list is in the CVE brief.

Is CVE-2026-107441 being exploited in the wild?

It is exploited in the wild, listed in Industry KEV feed since Nov 3, 2026.

Is CVE-2026-107441 in the CISA KEV catalog?

No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.

Is there a public exploit for CVE-2026-107441?

No public exploit code is known.

Is there a fix for CVE-2026-107441?

No fixed version is listed yet; check the vendor advisory for mitigations.

How urgently should CVE-2026-107441 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Request A Demo

On CISA KEVHigh

CVE-2026-107441GS1900-24E firmware Out-of-Bounds Write

An out-of-bounds write vulnerability in the CGI program of Zyxel GS1900-24E firmware versions through 2.90(AAHK.2)C0 could allow an unauthenticated adjacent attacker to exploit the flaw and potentially execute OS commands via a crafted HTTP request.

Published Nov 3, 2026 · Updated Nov 3, 2026 · Also known as EUVD-2026-115654, GHSA-c73h-2jmc-4mfp

Key Facts

Patch immediately

CVE-2026-107441 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting GS1900-10HP firmware, GS1900-16 firmware, GS1900-24E firmware and 7 more products.
It is exploited in the wild, listed in Industry KEV feed since Nov 3, 2026. No public exploit code is known.
EPSS estimates a 0.3% probability of exploitation in the next 30 days.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Scores

CVSS v3.1

8.8

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

EPSS (30-day exploit likelihood)

0.3%

Higher than 21.9% of all scored CVEs

Exploit maturity

Exploited (KEV)

ATLAS score

51/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Nov 3, 2026

0 days after publication

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Exploited (KEV)

Public exploit code

Proof-of-concept links

In-the-wild evidence

Reports of active use

Advisories And Exploit References

advisoryhttps://www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory-for-out-of-bounds-write-vulnerability-in-gs1900-series-switches-11-03-2026

Description

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
Industry KEV feed	Nov 3, 2026	n/a	Not reported

Affected Products

20 affected entries in total

Product	Affected versions	Fixed in
GS1900-10HP firmware	See advisory	n/a
GS1900-16 firmware	See advisory	n/a
GS1900-24E firmware	See advisory	n/a
GS1900-24EP firmware	See advisory	n/a
GS1900-24 firmware	See advisory	n/a

5 more affected products in the full CVE brief

Timeline

Publicly disclosed
Nov 3, 2026
Added to Industry KEV feed
Nov 3, 2026

Weakness Type

CWE-787 Out-of-bounds Write

References

FAQ

Common Questions.

An out-of-bounds write vulnerability in the CGI program of Zyxel GS1900-24E firmware versions through 2.90(AAHK.2)C0 could allow an unauthenticated adjacent attacker to exploit the flaw and potentially execute OS commands via a crafted HTTP request.
Affected: GS1900-10HP firmware; GS1900-16 firmware; GS1900-24E firmware, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Nov 3, 2026.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2026-107441 On Your Attack Surface?

Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.