CVE-2023-34928

CVE-2023-34928 is a high-severity vulnerability in H3c Magic B1st 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-787.

Key facts

Description

A stack overflow in the Edit_BasicSSID function of H3C Magic B1STV100R012 allows attackers to cause a Denial of Service (DoS) via a crafted POST request.

Frequently asked questions

What is CVE-2023-34928?
A stack overflow in the Edit_BasicSSID function of H3C Magic B1STV100R012 allows attackers to cause a Denial of Service (DoS) via a crafted POST request.
How severe is CVE-2023-34928?
CVE-2023-34928 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 none, integrity none, and availability high.
Is CVE-2023-34928 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-34928?
CVE-2023-34928 affects H3c Magic B1st Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-34928?
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-2023-34928 published?
CVE-2023-34928 was published on 2023-06-28 and last updated on 2026-06-17.

References

Affected products (1)

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