CVE-2021-27710

CWE-78 — OS Command Injection3 documents3 sources

Severity

9.8CRITICAL

EPSS

20.2%

top 4.50%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Totolink A720r Firmware Totolink X5000r Firmware

Timeline

PublishedApr 14

Latest updateMay 24

Description

Command Injection in TOTOLINK X5000R router with firmware v9.1.0u.6118_B20201102, and TOTOLINK A720R router with firmware v4.1.5cu.470_B20200911 allows remote attackers to execute arbitrary OS commands by sending a modified HTTP request. This occurs because the function executes glibc's system function with untrusted input. In the function, "ip" parameter is directly passed to the attacker, allowing them to control the "ip" field to attack the OS.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

▶NVDtotolink/a720r_firmware4.1.5cu.470_b20200911

▶NVDtotolink/x5000r_firmware9.1.0u.6118_b20201102

🔴Vulnerability Details

GHSA

GHSA-3r94-2jfp-h3m7: Command Injection in TOTOLINK X5000R router with firmware v9↗2022-05-24

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CVEList

CVE-2021-27710: Command Injection in TOTOLINK X5000R router with firmware v9↗2021-04-14

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