VulnerabilityAnalyzed

CVE-2026-5611

A vulnerability was found in Belkin F9K1015 1.00.10.

HIGH 7.4EPSS 0.69%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.69%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A vulnerability was found in Belkin F9K1015 1.00.10. This affects the function formCrossBandSwitch of the file /goform/formCrossBandSwitch. Performing a manipulation of the argument webpage results in stack-based buffer overflow. The attack can 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: 0.69% probability · 51th percentile
CISA KEV: Not listed
Weakness: CWE-119, CWE-121
Affected: belkin/f9k1015 firmware
Source: cna@vuldb.com

References

https://github.com/Litengzheng/vuldb_new/blob/main/Belkin%20F9K1015/vul_5/README.mdExploit, Third Party Advisory
https://vuldb.com/submit/785538Third Party Advisory, VDB Entry
https://vuldb.com/vuln/355402Third Party Advisory, VDB Entry
https://vuldb.com/vuln/355402/ctiPermissions Required, VDB Entry

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.