How severe is CVE-2023-49256?

CVE-2023-49256 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 high, integrity none, and availability none.

Is CVE-2023-49256 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-49256?

CVE-2023-49256 affects Hongdian H8951-4g-esp Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-49256?

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-2023-49256 have an EU (EUVD) identifier?

Yes. CVE-2023-49256 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53258.

When was CVE-2023-49256 published?

CVE-2023-49256 was published on 2024-01-12 and last updated on 2026-06-17.

CVE-2023-49256

CVE-2023-49256 is a high-severity vulnerability in Hongdian H8951-4g-esp Firmware with a CVSS 3.x base score of 7.5. 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-798.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-53258
Weakness: CWE-798
Affected product: Hongdian H8951-4g-esp Firmware
Published: 2024-01-12
Last modified: 2026-06-17

Description

It is possible to download the configuration backup without authorization and decrypt included passwords using hardcoded static key.

Frequently asked questions

What is CVE-2023-49256?: It is possible to download the configuration backup without authorization and decrypt included passwords using hardcoded static key.
How severe is CVE-2023-49256?: CVE-2023-49256 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 high, integrity none, and availability none.
Is CVE-2023-49256 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-49256?: CVE-2023-49256 affects Hongdian H8951-4g-esp Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-49256?: 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-2023-49256 have an EU (EUVD) identifier?: Yes. CVE-2023-49256 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-53258.
When was CVE-2023-49256 published?: CVE-2023-49256 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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CVE-2023-49254 — High (CVSS 8.8): Authenticated user can execute arbitrary commands in the context of the root user by providing payload in the…
CVE-2023-49261 — High (CVSS 7.5): The "tokenKey" value used in user authorization is visible in the HTML source of the login page.

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