CVE-2023-34934
CVE-2023-34934 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
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (54th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: H3c Magic B1st Firmware
- Published:
- Last modified:
Description
A stack overflow in the Edit_BasicSSID_5G 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-2023-34934?
- A stack overflow in the Edit_BasicSSID_5G function of H3C Magic B1STV100R012 allows attackers to cause a Denial of Service (DoS) via a crafted POST request.
- How severe is CVE-2023-34934?
- CVE-2023-34934 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-2023-34934 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-34934?
- CVE-2023-34934 affects H3c Magic B1st Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-34934?
- 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-2023-34934 published?
- CVE-2023-34934 was published on 2023-06-28 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:h3c:magic_b1st_firmware:100r012:*:*:*:*:*:*:*
More vulnerabilities in H3c Magic B1st Firmware
- CVE-2024-42638 — Critical (CVSS 9.8): H3C Magic B1ST v100R012 was discovered to contain a hardcoded password vulnerability in /etc/shadow, which allows…
- CVE-2023-34937 — High (CVSS 7.5): A stack overflow in the UpdateSnat function of H3C Magic B1STV100R012 allows attackers to cause a Denial of Service…
- CVE-2023-34936 — High (CVSS 7.5): A stack overflow in the UpdateMacClone function of H3C Magic B1STV100R012 allows attackers to cause a Denial of Service…
- CVE-2023-34935 — High (CVSS 7.5): A stack overflow in the AddWlanMacList function of H3C Magic B1STV100R012 allows attackers to cause a Denial of Service…
- CVE-2023-34933 — High (CVSS 7.5): A stack overflow in the UpdateWanParams function of H3C Magic B1STV100R012 allows attackers to cause a Denial of…
- CVE-2023-34932 — High (CVSS 7.5): A stack overflow in the UpdateWanMode function of H3C Magic B1STV100R012 allows attackers to cause a Denial of Service…
All CVEs affecting H3c Magic B1st Firmware →
Other CWE-787 (Out-of-bounds Write) vulnerabilities
- CVE-2026-42369 — Critical (CVSS 10.0): GV-VMS V20 is a Video Monitoring Software used to gather the feeds of many surveillance cameras and manage other…
- CVE-2026-4746 — Critical (CVSS 10.0): Out-of-bounds Write vulnerability in timeplus-io proton (base/poco/Foundation/src modules). This vulnerability is…
- CVE-2025-43300 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS…
- CVE-2025-24201 — Critical (CVSS 10.0): An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in…
- CVE-2024-42479 — Critical (CVSS 10.0): llama.cpp provides LLM inference in C/C++. The unsafe `data` pointer member in the `rpc_tensor` structure can cause…
- CVE-2024-39791 — Critical (CVSS 10.0): Stack-based buffer overflow vulnerabilities affecting Vonets industrial wifi bridge relays and wifi bridge…