PT-2021-7512 · Reolink · Reolink Rlc-410W

Francesco Benvenuto · Published 2021-12-06 · Updated 2022-07-29 · CVE-2021-40408

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions reolink RLC-410W version 3.0.0.136 20121102

Description A command injection issue exists in the device network settings functionality due to improper validation of the ddns->username variable, which is set based on the userName parameter provided through the SetDdns API. This allows for potential OS command injection. The vulnerability can be exploited by a remote attacker using a specially crafted HTTP request, enabling them to execute arbitrary commands.

Recommendations For reolink RLC-410W version 3.0.0.136 20121102, as a temporary workaround, consider restricting access to the SetDdns API until a patch is available. Avoid using the userName parameter in the affected API endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

BDU:2022-07055

CVE-2021-40408

Affected Products

Reolink Rlc-410W

References · 5

• 🔥 https://talosintelligence.com/vulnerability_reports/TALOS-2021-1424 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-40408 · Security Note
• https://bdu.fstec.ru/vul/2022-07055 · Security Note
• https://osv.dev/vulnerability/CVE-2021-40408 · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2022012706 · Note