How severe is CVE-2022-38393?

CVE-2022-38393 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2022-38393 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-38393?

CVE-2022-38393 affects Asus Rt-ax82u Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-38393?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-38393 published?

CVE-2022-38393 was published on 2023-01-10 and last updated on 2026-06-17.

CVE-2022-38393

CVE-2022-38393 is a high-severity vulnerability in Asus Rt-ax82u Firmware with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-125.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 19% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Asus Rt-ax82u Firmware
Published: 2023-01-10
Last modified: 2026-06-17

Description

A denial of service vulnerability exists in the cfg_server cm_processConnDiagPktList opcode of Asus RT-AX82U 3.0.0.4.386_49674-ge182230 router's configuration service. A specially-crafted network packet can lead to denial of service. An attacker can send a malicious packet to trigger this vulnerability.

Frequently asked questions

What is CVE-2022-38393?: A denial of service vulnerability exists in the cfg_server cm_processConnDiagPktList opcode of Asus RT-AX82U 3.0.0.4.386_49674-ge182230 router's configuration service. A specially-crafted network packet can lead to denial of service. An attacker can send a malicious packet to trigger this vulnerability.
How severe is CVE-2022-38393?: CVE-2022-38393 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2022-38393 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-38393?: CVE-2022-38393 affects Asus Rt-ax82u Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-38393?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-38393 published?: CVE-2022-38393 was published on 2023-01-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:asus:rt-ax82u_firmware:3.0.0.4.386_49674-ge182230:*:*:*:*:*:*:*

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