CVE-2025-7086
CVE-2025-7086 is a high-severity vulnerability in Belkin F9k1122 Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 9.0
- CVSS v4: 7.4
- EPSS exploit prediction: 4% (91st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-20143
- Weakness: CWE-119
- Affected product: Belkin F9k1122 Firmware
- Published:
- Last modified:
Description
A vulnerability classified as critical has been found in Belkin F9K1122 1.00.33. Affected is the function formPPTPSetup of the file /goform/formPPTPSetup of the component webs. The manipulation of the argument pptpUserName leads to stack-based buffer overflow. It is possible to launch the attack 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.
Frequently asked questions
- What is CVE-2025-7086?
- A vulnerability classified as critical has been found in Belkin F9K1122 1.00.33. Affected is the function formPPTPSetup of the file /goform/formPPTPSetup of the component webs. The manipulation of the argument pptpUserName leads to stack-based buffer overflow. It is possible to launch the attack 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.
- How severe is CVE-2025-7086?
- CVE-2025-7086 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-7086 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-7086?
- CVE-2025-7086 affects Belkin F9k1122 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-7086?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2025-7086 have an EU (EUVD) identifier?
- Yes. CVE-2025-7086 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-20143.
- When was CVE-2025-7086 published?
- CVE-2025-7086 was published on 2025-07-06 and last updated on 2026-06-17.
References
- https://github.com/wudipjq/my_vuln/blob/main/Belkin/vuln_6/6.md
- https://github.com/wudipjq/my_vuln/blob/main/Belkin/vuln_6/6.md#poc
- https://vuldb.com/?ctiid.315000
- https://vuldb.com/?id.315000
- https://vuldb.com/?submit.603695
Affected products (1)
- cpe:2.3:o:belkin:f9k1122_firmware:1.00.33:*:*:*:*:*:*:*
More vulnerabilities in Belkin F9k1122 Firmware
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- CVE-2026-5044 — High (CVSS 8.8): A security vulnerability has been detected in Belkin F9K1122 1.00.33. This affects the function formSetSystemSettings…
- CVE-2026-5043 — High (CVSS 8.8): A weakness has been identified in Belkin F9K1122 1.00.33. The impacted element is the function formSetPassword of the…
- CVE-2026-5042 — High (CVSS 8.8): A security flaw has been discovered in Belkin F9K1122 1.00.33. The affected element is the function formCrossBandSwitch…
- CVE-2026-4566 — High (CVSS 8.8): A flaw has been found in Belkin F9K1122 1.00.33. The affected element is the function formWISP5G of the file…
- CVE-2025-7094 — High (CVSS 8.8): A vulnerability was found in Belkin F9K1122 1.00.33. It has been rated as critical. Affected by this issue is the…
All CVEs affecting Belkin F9k1122 Firmware →
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