How severe is CVE-2022-23399?

CVE-2022-23399 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-2022-23399 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-2022-23399?

CVE-2022-23399 affects Tcl Linkhub Mesh Wifi Ac1200. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-23399?

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-2022-23399 published?

CVE-2022-23399 was published on 2022-08-05 and last updated on 2026-06-17.

CVE-2022-23399

CVE-2022-23399 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 set_port_fwd_rule functionality of TCL LinkHub Mesh Wifi 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-2022-23399?: A stack-based buffer overflow vulnerability exists in the confsrv set_port_fwd_rule functionality of TCL LinkHub Mesh Wifi 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-2022-23399?: CVE-2022-23399 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-2022-23399 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-2022-23399?: CVE-2022-23399 affects Tcl Linkhub Mesh Wifi Ac1200. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-23399?: 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-2022-23399 published?: CVE-2022-23399 was published on 2022-08-05 and last updated on 2026-06-17.

References

https://talosintelligence.com/vulnerability_reports/TALOS-2022-1454

Affected products (1)

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

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