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Description

HiSecOS web server versions 05.0.00 to 08.3.01 prior to 08.3.02 contains a privilege escalation vulnerability that allows authenticated users with operator or auditor roles to escalate privileges to the administrator role by sending specially crafted packets to the web server. Attackers can exploit this flaw to gain full administrative access to the affected device.

PUBLISHED Reserved 2026-04-01 | Published 2026-04-02 | Updated 2026-05-14 | Assigner VulnCheck




HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

HIGH: 8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-269 Improper Privilege Management

Product status

Default status
unaffected

08.3.02 (custom)
unaffected

05.0.00 (custom)
affected

References

assets.belden.com/...den-Security-Bulletin-BSECV-2023-06.pdf (Belden Security Bulletins) vendor-advisory

www.vulncheck.com/...de-execution-via-malicious-project-file

cve.org (CVE-2023-7343)

nvd.nist.gov (CVE-2023-7343)

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