9.9
CRITICAL CVSS 3.1
CVE-2026-108893
Linksys E1700 setVlan stack-based overflow
Description

A vulnerability was identified in Linksys E1700 up to 1.0.0.4.003. This issue affects the function setVlan of the file /goform/setVlan. Such manipulation of the argument vlan_set leads to stack-based buffer overflow. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

INFO

Published Date :

Oct. 12, 2026, 2:17 p.m.

Last Modified :

Oct. 12, 2026, 2:17 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-108893 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.

ID Vendor Product Action
1 Linksys e1700_firmware
2 Linksys e1700
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 2.0 HIGH [email protected]
CVSS 3.1 CRITICAL [email protected]
CVSS 4.0 HIGH [email protected]
Solution
Update the Linksys E1700 firmware to a version that patches the stack-based buffer overflow vulnerability.
  • Apply the latest firmware update for Linksys E1700.
  • Confirm the firmware version is 1.0.0.4.003 or later.
  • If available, contact the vendor for a patch.
  • Consider replacing the affected device if unpatched.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-108893.

URL Resource
https://github.com/wudipjq/my_vuln/blob/main/Linksys3/vuln_67/67.md
https://vuldb.com/cve/CVE-2026-108893
https://vuldb.com/submit/973112
https://vuldb.com/vuln/416685
https://vuldb.com/vuln/416685/cti
https://www.linksys.com/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-108893 is associated with the following CWEs:

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-2026-108893 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-108893 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Oct. 12, 2026

    Action Type Old Value New Value
    Added Description A vulnerability was identified in Linksys E1700 up to 1.0.0.4.003. This issue affects the function setVlan of the file /goform/setVlan. Such manipulation of the argument vlan_set leads to stack-based buffer overflow. The attack may be launched remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
    Added CVSS V2 (AV:N/AC:L/Au:S/C:C/I:C/A:C)
    Added CWE CWE-119
    Added CWE CWE-121
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/108xxx/CVE-2026-108893.json">CVE-2026-108893</a>
    Added Reference https://github.com/wudipjq/my_vuln/blob/main/Linksys3/vuln_67/67.md
    Added Reference https://vuldb.com/cve/CVE-2026-108893
    Added Reference https://vuldb.com/submit/973112
    Added Reference https://vuldb.com/vuln/416685
    Added Reference https://vuldb.com/vuln/416685/cti
    Added Reference https://www.linksys.com/
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.