CVE-2025-8820
A vulnerability was determined in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 up to 20250801.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.05%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A vulnerability was determined in Linksys RE6250, RE6300, RE6350, RE6500, RE7000 and RE9000 up to 20250801. This vulnerability affects the function wirelessBasic of the file /goform/wirelessBasic. The manipulation of the argument submit_SSID1 leads to stack-based buffer overflow. The attack can be initiated remotely. The exploit has been disclosed to the public and may 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
- 1.05% probability · 64th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-121
- Affected
- linksys/re6250 firmware · linksys/re6300 firmware · linksys/re6350 firmware · linksys/re7000 firmware · linksys/re9000 firmware · linksys/re6500 firmware
- Source
- cna@vuldb.com
EPSS 1.1% since 26 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/Linksys1/vuln_54/54.mdExploit, Third Party Advisory
- https://github.com/wudipjq/my_vuln/blob/main/Linksys1/vuln_54/54.md#pocExploit, Third Party Advisory
- https://vuldb.com/?ctiid.319354Permissions Required, VDB Entry
- https://vuldb.com/?id.319354Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.626684Third Party Advisory, VDB Entry
- https://www.linksys.com/Product
- https://github.com/wudipjq/my_vuln/blob/main/Linksys1/vuln_54/54.mdExploit, Third Party Advisory
- https://github.com/wudipjq/my_vuln/blob/main/Linksys1/vuln_54/54.md#pocExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.