CVE-2025-9527
A vulnerability was found in Linksys E1700 1.0.0.4.003.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.54%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 4.0
- 7.4 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 1.54% probability · 75th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-121
- Affected
- linksys/e1700 firmware
- Source
- cna@vuldb.com
EPSS 1.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://github.com/wudipjq/my_vuln/blob/main/Linksys2/vuln_60/60.mdExploit, Third Party Advisory
- https://github.com/wudipjq/my_vuln/blob/main/Linksys2/vuln_60/60.md#pocExploit, Third Party Advisory
- https://vuldb.com/?ctiid.321544Permissions Required, VDB Entry
- https://vuldb.com/?id.321544Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.634826Third Party Advisory, VDB Entry
- https://www.linksys.com/Product
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.