CVE-2022-40942

CVE-2022-40942 is a critical-severity vulnerability in Tenda Tx3 Firmware with a CVSS 3.x base score of 9.8. 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-787.

Key facts

Description

Tenda TX3 US_TX3V1.0br_V16.03.13.11 is vulnerable to stack overflow via compare_parentcontrol_time.

Frequently asked questions

What is CVE-2022-40942?
Tenda TX3 US_TX3V1.0br_V16.03.13.11 is vulnerable to stack overflow via compare_parentcontrol_time.
How severe is CVE-2022-40942?
CVE-2022-40942 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-40942 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40942?
CVE-2022-40942 affects Tenda Tx3 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40942?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-40942 published?
CVE-2022-40942 was published on 2022-09-28 and last updated on 2026-06-17.

References

Affected products (1)

More vulnerabilities in Tenda Tx3 Firmware

All CVEs affecting Tenda Tx3 Firmware →

Other CWE-787 (Out-of-bounds Write) vulnerabilities

Browse all CWE-787 (Out-of-bounds Write) vulnerabilities →