How severe is CVE-2023-39237?

CVE-2023-39237 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-2023-39237 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-39237?

CVE-2023-39237 affects Asus Rt-ac86u Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-39237?

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-2023-39237 published?

CVE-2023-39237 was published on 2023-09-07 and last updated on 2026-06-17.

CVE-2023-39237

CVE-2023-39237 is a high-severity vulnerability in Asus Rt-ac86u 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% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Asus Rt-ac86u Firmware
Published: 2023-09-07
Last modified: 2026-06-17

Description

ASUS RT-AC86U Traffic Analyzer - Apps analysis function has insufficient filtering of special character. A remote attacker with regular user privilege can exploit this vulnerability to perform command injection attack to execute arbitrary commands, disrupt system or terminate services.

Frequently asked questions

What is CVE-2023-39237?: ASUS RT-AC86U Traffic Analyzer - Apps analysis function has insufficient filtering of special character. A remote attacker with regular user privilege can exploit this vulnerability to perform command injection attack to execute arbitrary commands, disrupt system or terminate services.
How severe is CVE-2023-39237?: CVE-2023-39237 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-2023-39237 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-39237?: CVE-2023-39237 affects Asus Rt-ac86u Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-39237?: 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-2023-39237 published?: CVE-2023-39237 was published on 2023-09-07 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-7352-bad68-1.html

Affected products (1)

cpe:2.3:o:asus:rt-ac86u_firmware:3.0.0.4_386_51529:*:*:*:*:*:*:*

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