How severe is CVE-2022-22140?

CVE-2022-22140 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-2022-22140 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-22140?

CVE-2022-22140 affects Tcl Linkhub Mesh Wifi Ac1200. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-22140?

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-2022-22140 published?

CVE-2022-22140 was published on 2022-08-05 and last updated on 2026-06-17.

CVE-2022-22140

CVE-2022-22140 is a critical-severity vulnerability in Tcl Linkhub Mesh Wifi Ac1200 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-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Tcl Linkhub Mesh Wifi Ac1200
Published: 2022-08-05
Last modified: 2026-06-17

Description

An os command injection vulnerability exists in the confsrv ucloud_add_node functionality of TCL LinkHub Mesh Wi-Fi MS1G_00_01.00_14. A specially-crafted network packet can lead to arbitrary command execution. An attacker can send a malicious packet to trigger this vulnerability.

Frequently asked questions

What is CVE-2022-22140?: An os command injection vulnerability exists in the confsrv ucloud_add_node functionality of TCL LinkHub Mesh Wi-Fi MS1G_00_01.00_14. A specially-crafted network packet can lead to arbitrary command execution. An attacker can send a malicious packet to trigger this vulnerability.
How severe is CVE-2022-22140?: CVE-2022-22140 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-2022-22140 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-22140?: CVE-2022-22140 affects Tcl Linkhub Mesh Wifi Ac1200. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-22140?: 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-2022-22140 published?: CVE-2022-22140 was published on 2022-08-05 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2022-1458

Affected products (1)

cpe:2.3:o:tcl:linkhub_mesh_wifi_ac1200:ms1g_00_01.00_14:*:*:*:*:*:*:*

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