How severe is CVE-2022-26009?

CVE-2022-26009 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-2022-26009 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-26009?

CVE-2022-26009 affects Tcl Linkhub Mesh Wifi Ac1200. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-26009?

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-2022-26009 published?

CVE-2022-26009 was published on 2022-08-05 and last updated on 2026-06-17.

CVE-2022-26009

CVE-2022-26009 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-787.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-787
Affected product: Tcl Linkhub Mesh Wifi Ac1200
Published: 2022-08-05
Last modified: 2026-06-17

Description

A stack-based buffer overflow vulnerability exists in the confsrv ucloud_set_node_location functionality of TCL LinkHub Mesh Wi-Fi MS1G_00_01.00_14. A specially-crafted network packet can lead to stack-based buffer overflow. An attacker can send a malicious packet to trigger this vulnerability.

Frequently asked questions

What is CVE-2022-26009?: A stack-based buffer overflow vulnerability exists in the confsrv ucloud_set_node_location functionality of TCL LinkHub Mesh Wi-Fi MS1G_00_01.00_14. A specially-crafted network packet can lead to stack-based buffer overflow. An attacker can send a malicious packet to trigger this vulnerability.
How severe is CVE-2022-26009?: CVE-2022-26009 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-2022-26009 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-26009?: CVE-2022-26009 affects Tcl Linkhub Mesh Wifi Ac1200. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-26009?: 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-2022-26009 published?: CVE-2022-26009 was published on 2022-08-05 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2022-1483

Affected products (1)

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

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