A7000r Firmware CVE-2022-37078

HIGH

Out-of-bounds Write (CWE-787)

2022-08-25 cve@mitre.org

Memory Corruption Command Injection Buffer Overflow A7000r Firmware

7.8

CVSS 3.1 · NVD

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Severity by source

NVD PRIMARY

7.8 HIGH

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

1

CVE Published

Aug 25, 2022 - 15:15 nvd

HIGH 7.8

DescriptionNVD

TOTOLINK A7000R V9.1.0u.6115_B20201022 was discovered to contain a command injection vulnerability via the lang parameter at /setting/setLanguageCfg.

AnalysisAI

TOTOLINK A7000R V9.1.0u.6115_B20201022 was discovered to contain a command injection vulnerability via the lang parameter at /setting/setLanguageCfg. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. TOTOLINK A7000R V9.1.0u.6115_B20201022 was discovered to contain a command injection vulnerability via the lang parameter at /setting/setLanguageCfg. Affected products include: Totolink A7000R Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).

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CVE-2022-37078 vulnerability details – vuln.today

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