CVE-2025-7081F9K1122 Command Injection
Affected by this vulnerability is the function formSetWanStatic of the file /goform/formSetWanStatic of the component webs.
Published Jul 6, 2025 · Updated Apr 28, 2026
Key Facts
Patch immediately- CVE-2025-7081 is a low-severity vulnerability (CVSS 2.1 v4) affecting F9k1122 Firmware (Belkin), F9K1122.
- It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Jul 6, 2025. Public exploit code is available.
- EPSS estimates a 20% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v4
2.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (30-day exploit likelihood)
20%
Higher than 97.5% of all scored CVEs
Exploit maturity
Exploited (KEV)
ATLAS score
49/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Jul 6, 2025
0 days after publication
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Exploited (KEV)
Public exploit code
2
Proof-of-concept links
In-the-wild evidence
5
Reports of active use
Advisories And Exploit References
Description
A vulnerability has been found in Belkin F9K1122 1.00.33 and classified as critical. Affected by this vulnerability is the function formSetWanStatic of the file /goform/formSetWanStatic of the component webs. The manipulation of the argument m_wan_ipaddr/m_wan_netmask/m_wan_gateway/m_wan_staticdns1/m_wan_staticdns2 is directly passed by the attacker/so we can control the m_wan_ipaddr/m_wan_netmask/m_wan_gateway/m_wan_staticdns1/m_wan_staticdns2 leads to os command injection.
The attack can be launched 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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CIRCL KEV | Jul 6, 2025 | n/a | Not reported |
| Industry KEV feed | Jul 6, 2025 | n/a | Not reported |
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| F9k1122 FirmwareBelkin | 1.00.33 | n/a |
| F9K1122 | >= 1.00.33 | n/a |
Timeline
Publicly disclosed
Jul 6, 2025
Added to CIRCL KEV
Jul 6, 2025
Added to Industry KEV feed
Jul 6, 2025
Last updated
Apr 28, 2026
Weakness Type
- CWE-77 Improper Neutralization of Special Elements used in a Command
- CWE-78 Improper Neutralization of Special Elements used in an OS Command
References
- advisoryVDB-314995 | Belkin F9K1122 webs formSetWanStatic os command injection
- advisorySubmit #603669 | Belkin F9K1122 1.00.33 OS Command Injection
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
A vulnerability has been found in Belkin F9K1122 1.00.33 and classified as critical.
Affected: F9k1122 Firmware (Belkin) versions 1.00.33; F9K1122 versions >= 1.00.33. The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Jul 6, 2025.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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