How severe is CVE-2023-41347?

CVE-2023-41347 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-41347 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-41347?

CVE-2023-41347 affects Asus Rt-ax55 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-41347?

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-2023-41347 published?

CVE-2023-41347 was published on 2023-11-03 and last updated on 2026-06-17.

CVE-2023-41347

CVE-2023-41347 is a high-severity vulnerability in Asus Rt-ax55 Firmware with a CVSS 3.x base score of 8.8. 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: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Asus Rt-ax55 Firmware
Published: 2023-11-03
Last modified: 2026-06-17

Description

ASUS RT-AX55’s authentication-related function has a vulnerability of insufficient filtering of special characters within its check token module. An authenticated remote attacker can exploit this vulnerability to perform a Command Injection attack to execute arbitrary commands, disrupt the system or terminate services.

Frequently asked questions

What is CVE-2023-41347?: ASUS RT-AX55’s authentication-related function has a vulnerability of insufficient filtering of special characters within its check token module. An authenticated remote attacker can exploit this vulnerability to perform a Command Injection attack to execute arbitrary commands, disrupt the system or terminate services.
How severe is CVE-2023-41347?: CVE-2023-41347 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-41347 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-41347?: CVE-2023-41347 affects Asus Rt-ax55 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-41347?: 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-2023-41347 published?: CVE-2023-41347 was published on 2023-11-03 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-7498-18012-1.html

Affected products (1)

cpe:2.3:o:asus:rt-ax55_firmware:3.0.0.4.386.51598:*:*:*:*:*:*:*

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CVE-2023-41348 — High (CVSS 8.8): ASUS RT-AX55’s authentication-related function has a vulnerability of insufficient filtering of special characters…
CVE-2023-41346 — High (CVSS 8.8): ASUS RT-AX55’s authentication-related function has a vulnerability of insufficient filtering of special characters…
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