How severe is CVE-2023-30604?

CVE-2023-30604 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-2023-30604 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-30604?

CVE-2023-30604 affects Hitrontech Coda-5310 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-30604?

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-2023-30604 published?

CVE-2023-30604 was published on 2023-06-02 and last updated on 2026-06-17.

CVE-2023-30604

CVE-2023-30604 is a critical-severity vulnerability in Hitrontech Coda-5310 Firmware 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Hitrontech Coda-5310 Firmware
Published: 2023-06-02
Last modified: 2026-06-17

Description

It is identified a vulnerability of insufficient authentication in the system configuration interface of Hitron Technologies CODA-5310. An unauthorized remote attacker can exploit this vulnerability to access system configuration interface, resulting in performing arbitrary system operation or disrupt service.

Frequently asked questions

What is CVE-2023-30604?: It is identified a vulnerability of insufficient authentication in the system configuration interface of Hitron Technologies CODA-5310. An unauthorized remote attacker can exploit this vulnerability to access system configuration interface, resulting in performing arbitrary system operation or disrupt service.
How severe is CVE-2023-30604?: CVE-2023-30604 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-2023-30604 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-30604?: CVE-2023-30604 affects Hitrontech Coda-5310 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-30604?: 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-2023-30604 published?: CVE-2023-30604 was published on 2023-06-02 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-7086-35622-1.html

Affected products (1)

cpe:2.3:o:hitrontech:coda-5310_firmware:7.2.4.7.1b3:*:*:*:*:*:*:*

More vulnerabilities in Hitrontech Coda-5310 Firmware

CVE-2023-30603 — Critical (CVSS 9.8): Hitron Technologies CODA-5310 Telnet function with the default account and password, and there is no warning or prompt…
CVE-2023-30602 — High (CVSS 7.5): Hitron Technologies CODA-5310’s Telnet function transfers sensitive data in plaintext. An unauthenticated remote…
CVE-2022-47617 — High (CVSS 7.2): Hitron CODA-5310 has hard-coded encryption/decryption keys in the program code. A remote attacker authenticated as an…
CVE-2022-47616 — High (CVSS 7.2): Hitron CODA-5310 has insufficient filtering for specific parameters in the connection test function. A remote attacker…

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