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TI-2025-08730 Aliases CVE-2025-9525GHSA-3vf7-954m-xhg4

Linksys E1700 setWan stack-based overflow

Priority HIGH 73CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

A flaw has been found in Linksys E1700 1.0.0.4.003. Affected by this vulnerability is the function setWan of the file /goform/setWan. This manipulation of the argument DeviceName/lanIp causes stack-based buffer overflow. The attack can be initiated remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0149 74th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
LinksysE17001.0.0.4.003—No fix listedCNA
  • E1700 VendorLinksys Affected 1.0.0.4.003 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:linksys:e1700_firmware:1.0.0.4.003:*:*:*:*:*:*:*1.0.0.4.003VulnerableLinksys
cpe:2.3:h:linksys:e1700:-:*:*:*:*:*:*:*not specified by NVDRunning onLinksys
  • cpe:2.3:o:linksys:e1700_firmware:1.0.0.4.003:*:*:*:*:*:*:* Versions 1.0.0.4.003 Vulnerable ·Linksys
  • cpe:2.3:h:linksys:e1700:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linksys

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-9525
  2. 2026-10-03 Alias added: GHSA-3vf7-954m-xhg4

References

  • TI-2025-08732 Linksys E1700 QoSSetup stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2025-08731 Linksys E1700 setSysAdm stack-based overflow CVSS 4.0HIGH 8.7
  • TI-2025-08733 Linksys E1700 systemCommand os command injection CVSS 4.0MEDIUM 5.1
  • TI-2024-15057 An issue was discovered in Linksys Router E1700 version 1.0.04 (build 3), allows… CVSS 3.1HIGH 8.0
  • TI-2024-15056 An issue was discovered in Linksys Router E1700 1.0.04 (build 3), allows authenticated… CVSS 3.1MEDIUM 6.1

Sources