CVE-2026-3677
CVSS v3
8.8
HIGH
EPSS Score
1.0 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
A vulnerability was found in Tenda FH451 1.0.0.9. This impacts the function fromSetCfm of the file /goform/setcfm. The manipulation of the argument funcname/funcpara1 results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used.
Technical details
- Published
- 2026-03-07
- Last Modified
- 2026-03-09
Frequently asked questions
What is CVE-2026-3677?
A vulnerability was found in Tenda FH451 1.0.0.9. This impacts the function fromSetCfm of the file /goform/setcfm. The manipulation of the argument funcname/funcpara1 results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used.
Is CVE-2026-3677 actively exploited?
Active exploitation of CVE-2026-3677 has not been confirmed. Its EPSS score was 1.0% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2026-3677?
CVE-2026-3677 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2026-3677 affecting your environment?
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