Description
A vulnerability was found in Linksys E1700 1.0.0.4.003. This affects the function QoSSetup of the file /goform/QoSSetup. Performing manipulation of the argument ack_policy results in stack-based buffer overflow. The attack may be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
References (6)
Core 6
Core References
Third Party Advisory, VDB Entry vdb-entry
technical-description
https://vuldb.com/?id.321544
Permissions Required, VDB Entry signature
permissions-required
https://vuldb.com/?ctiid.321544
Third Party Advisory, VDB Entry third-party-advisory
https://vuldb.com/?submit.634826
Exploit, Third Party Advisory related
https://github.com/wudipjq/my_vuln/blob/main/Linksys2/vuln_60/60.md
Exploit, Third Party Advisory exploit
https://github.com/wudipjq/my_vuln/blob/main/Linksys2/vuln_60/60.md#poc
Product product
https://www.linksys.com/
Scores
CVSS v3
8.8
EPSS
0.0038
EPSS Percentile
59.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-119
CWE-121
Status
published
Products (1)
linksys/e1700_firmware
1.0.0.4.003
Published
Aug 27, 2025
Tracked Since
Feb 18, 2026