cbcvebase.
CVE-2022-30023
published 2022-06-16

CVE-2022-30023: Tenda ONT GPON AC1200 Dual band WiFi HG9 v1.0.1 is vulnerable to Command Injection via the Ping function.

PriorityP180high8.8CVSS 3.1
AVNACLPRLUINSUCHIHAH
ITWEXPLOITVulnCheck KEV
Exploited in the wild
EPSS
41.82%
98.5th percentile
Tenda ONT GPON AC1200 Dual band WiFi HG9 v1.0.1 is vulnerable to Command Injection via the Ping function.

Affected

1 ranges
VendorProductVersion rangeFixed in
tendahg9_firmware

Detection & IOCsextracted from sources · hover to see the quote

url/boaform/formPing
otherpingAddr=
snort
alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Tenda HG9 Router Command Injection Attempt (CVE-2022-30023)"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:17; content:"/boaform/formPing"; fast_pattern; http.request_body; content:"pingAddr|3d|"; pcre:"/^[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/R"; reference:cve,2022-30023; reference:url,unit42.paloaltonetworks.com/mirai-variant-targets-iot-exploits/; classtype:attempted-admin; sid:2057319; rev:1; metadata:affected_product Tenda, attack_target Networking_Equipment, tls_state plaintext, created_at 2024_11_07, cve CVE_2022_30023, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2024_11_07, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)
  • Exploit traffic is HTTP POST to the exact URI /boaform/formPing (URI length is exactly 17 bytes); match on this endpoint to identify exploitation attempts.
  • POST body must contain the parameter 'pingAddr=' (URL-encoded as pingAddr|3d|); presence of shell metacharacters immediately after the value — semicolon (;/%3B), newline (%0A), backtick (`/%60), pipe (|/%7C), or dollar sign ($/%24) — indicates command injection.
  • Traffic is expected in plaintext (no TLS); deploy detection at the network perimeter and internally on flat/IoT segments.
  • This CVE is being actively exploited by a Mirai variant targeting IoT devices; correlate detections with subsequent outbound C2 or scanning activity.
  • ·Vulnerable device is specifically the Tenda ONT GPON AC1200 Dual band WiFi HG9 v1.0.1; the Ping function in the web management interface (/boaform/formPing) does not sanitise user input, enabling OS command injection.
  • ·The PCRE in the Snort rule anchors to the start of the pingAddr value and stops matching at '&' (\x26), meaning it only inspects the first parameter value; multi-parameter payloads that place the injection after an '&' separator would not be caught by this rule as written.

CVSS provenance

nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvdv2.09.0CRITICALAV:N/AC:L/Au:S/C:C/I:C/A:C
vulncheck8.8HIGH
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