Buffer overflow in Tenda I9

CVE-2022-40104

Tenda i9 v1.0.0.8(3828) was discovered to contain a buffer overflow via the formwrlSSIDget function. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted string.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (56.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2022-40104: held from 0.008 to 0.009.

EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.001

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-40104?
CVE-2022-40104 is a high-severity vulnerability in Tenda I9, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2022-09-23.
How severe is CVE-2022-40104?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-40104 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.