CVE-2026-108893
Linksys E1700 setVlan stack-based overflow
- State
- Published
- Severity
- 9.4 Critical
- Published
- Oct 12, 2026
- Updated
- Oct 13, 2026
- Reserved
- Oct 11, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 9.4 Critical | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P | VulDB |
| 3.1 | 9.9 Critical | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 3.0 | 9.9 Critical | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:R | VulDB |
| 2.0 | 9.0 High | AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
E1700Linksys |
|
References
- VDB-416685 | Linksys E1700 setVlan stack-based overflowvdb-entrytechnical-description
- VDB-416685 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-108893 | CVE Analysis and Reportthird-party-advisory
- Submit #973112 | Linksys E1700 1.0.0.4.003 Stack-based Buffer Overflowthird-party-advisory
- https://github.com/wudipjq/my_vuln/blob/main/Linksys3/vuln_67/67.mdexploit
- https://www.linksys.com/product
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