How severe is CVE-2023-49257?

CVE-2023-49257 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-2023-49257 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-49257?

CVE-2023-49257 affects Hongdian H8951-4g-esp Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-49257?

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.

Does CVE-2023-49257 have an EU (EUVD) identifier?

Yes. CVE-2023-49257 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53259.

When was CVE-2023-49257 published?

CVE-2023-49257 was published on 2024-01-12 and last updated on 2026-06-17.

CVE-2023-49257

CVE-2023-49257 is a high-severity vulnerability in Hongdian H8951-4g-esp 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-732.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-53259
Weakness: CWE-732
Affected product: Hongdian H8951-4g-esp Firmware
Published: 2024-01-12
Last modified: 2026-06-17

Description

An authenticated user is able to upload an arbitrary CGI-compatible file using the certificate upload utility and execute it with the root user privileges.

Frequently asked questions

What is CVE-2023-49257?: An authenticated user is able to upload an arbitrary CGI-compatible file using the certificate upload utility and execute it with the root user privileges.
How severe is CVE-2023-49257?: CVE-2023-49257 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-2023-49257 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-49257?: CVE-2023-49257 affects Hongdian H8951-4g-esp Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-49257?: 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.
Does CVE-2023-49257 have an EU (EUVD) identifier?: Yes. CVE-2023-49257 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53259.
When was CVE-2023-49257 published?: CVE-2023-49257 was published on 2024-01-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:hongdian:h8951-4g-esp_firmware:*:*:*:*:*:*:*:*

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