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CVE-2021-27691

Command Injection in Tenda G0 routers with firmware versions v15.11.0.6(9039)_CN and v15.11.0.5(5876)_CN , and Tenda G1 and G3 routers with firmware versions v15.11.0.17(9502)_CN or v15.11.0.16(9024)_CN allows remote attackers to execute arbitrary OS commands via a crafted action/setDebugCfg request. This occurs because the "formSetDebugCfg" function executes glibc's system function with untrusted input.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
TendacnG0 Firmware Version15.11.0.5(5876)_cn
   TendacnG0 Version-
TendacnG0 Firmware Version15.11.0.6(9039)_cn
   TendacnG0 Version-
TendacnG1 Firmware Version15.11.0.16(9024)_cn
   TendacnG1 Version-
TendacnG1 Firmware Version15.11.0.17(9502)_cn
   TendacnG1 Version-
TendacnG3 Firmware Version15.11.0.16(9024)_cn
   TendacnG3 Version-
TendacnG3 Firmware Version15.11.0.17(9502)_cn
   TendacnG3 Version-
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 4.4% 0.885
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvd@nist.gov 10 10 10
AV:N/AC:L/Au:N/C:C/I:C/A:C
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component.