CVE-2022-34602
CWE-787Published: July 20, 2022· Updated: Jun 17, 2026
Official Description
H3C Magic R200 R200V200R004L02 was discovered to contain a stack overflow via the ipqos_lanip_editlist interface at /goform/aspForm.
Risk Analysis
This vulnerability is a stack overflow in the H3C Magic R200 triggered by the ipqos_lanip_editlist interface. With a critical CVSS score of 9.8, it poses a severe risk of unauthenticated remote code execution. It is not currently in the CISA KEV.
No public exploit is known, and it is not in the CISA KEV. The vulnerability is remotely exploitable.
Apply the latest firmware updates from H3C. Ensure the device is not accessible from the public internet.
Technical Analysis
CVE-2022-34602 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
From a weakness classification perspective (CWE-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (2)
Quick Facts
Related CVEs (CWE-787)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-34602 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts