CVE-2021-26731: critical vulnerability in Lanner Inc IAC-AST2500A
spx_restservice modifyUserb_func Command Injection and Multiple Stack-Based Buffer Overflows
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28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.1epss 2.7%
Command injection and multiple stack-based buffer overflows vulnerabilities in the modifyUserb_func function of spx_restservice allow an authenticated attacker to execute arbitrary code with the same privileges as the server user (root). This issue affects: Lanner Inc IAC-AST2500A standard firmware version 1.10.0.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Affected products
Lanner Inc · IAC-AST2500ARelated CVEs — Lanner Inc IAC-AST2500A
In the same product, most dangerous first.
CVE-2021-4228MEDIUMHard-coded TLS CertificateEPSS 10.2%CVE-2021-26729CRITICALspx_restservice Login_handler_func Command Injection and Multiple Stack-Based Buffer OverflowsEPSS 2.7%CVE-2021-26728CRITICALspx_restservice KillDupUsr_func Command Injection and Stack-Based Buffer OverflowEPSS 2.7%CVE-2021-26727CRITICALspx_restservice SubNet_handler_func Multiple Command Injections and Stack-Based Buffer OverflowsEPSS 2.7%CVE-2021-26730CRITICALspx_restservice Login_handler_func Subfunction Stack-Based Buffer OverflowEPSS 1.3%CVE-2021-44467MEDIUMspx_restservice KillDupUsr_func Broken Access ControlEPSS 0.8%