CVE-2026-5629
Belkin F9K1015 formSetFirewall stack-based overflow
A vulnerability was detected in Belkin F9K1015 1.00.10. The affected element is the function formSetFirewall of the file /goform/formSetFirewall. The manipulation of the argument webpage results in stack-based buffer overflow. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
8.7
Belkin F9K1015 formSetFirewall stack-based overflow
A vulnerability was detected in Belkin F9K1015 1.00.10. The affected element is the function formSetFirewall of the file /goform/formSetFirewall. The manipulation of the argument webpage results in stack-based buffer overflow. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
- Record
CVE-2026-5629- CVSS 4.0
- 8.7 High
CVSS: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 - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R - CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R - CVSS 2.0
- 9.0
AV:N/AC:L/Au:S/C:C/I:C/A:C/E:POC/RL:ND/RC:UR - Weakness
- CWE-121, CWE-119
- Updated
- 2026-11-02
EUVDEUVD-2026-19182
8.7
A vulnerability was detected in Belkin F9K1015 1.00.10. The affected element is the function formSetFirewall of the file /goform/formSetFirewall. The manipulation of the argument webpage results in stack-based buffer overflow. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
- Record
EUVD-2026-19182- CVSS 4.0
- 8.7 High
CVSS: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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-m47x-pvpv-3jg6
7.4
A vulnerability was detected in Belkin F9K1015 1.00.10. The affected element is the function...
A vulnerability was detected in Belkin F9K1015 1.00.10. The affected element is the function formSetFirewall of the file /goform/formSetFirewall. The manipulation of the argument webpage results in stack-based buffer overflow. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
- Record
GHSA-m47x-pvpv-3jg6- CVSS 4.0
- 7.4 High
CVSS: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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-119
- Updated
- 2026-11-02
NVD
7.4
A vulnerability was detected in Belkin F9K1015 1.00.10. The affected element is the function formSetFirewall of the file /goform/formSetFirewall. The manipulation of the argument webpage results in stack-based buffer overflow. The attack can be executed remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
- Record
CVE-2026-5629- CVSS 4.0
- 7.4 High
CVSS: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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 9.0 High
AV:N/AC:L/Au:S/C:C/I:C/A:C - Weakness
- CWE-119, CWE-121
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-5629 is a high vulnerability (CVSS 8.7) in Belkin F9k1015, published April 6, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.70%, the 53rd percentile. No source names a fixed version.