What’s Vulnerable › Vulnerabilities

CVE-2023-34933

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-06-28 · updated 2026-06-17
• Weakness: CWE-787

Description

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

Affected products

• H3C Magic B1St Firmware: 100r012

References

• https://github.com/h4kuy4/vuln/blob/main/H3C_B1STW/CVE-2023-34933.md
• https://github.com/h4kuy4/vuln/blob/main/H3C_B1STW/CVE-2023-34933.md

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