CVE-2021-40413

An incorrect default permission vulnerability exists in the cgiserver.cgi cgi_check_ability functionality of reolink RLC-410W v3.0.0.136_20121102. The UpgradePrepare is the API that checks if a provided filename identifies a new version of the RLC-410W firmware. If the version is new, it would be possible, allegedly, to later on perform the Upgrade. An attacker can send an HTTP request to trigger this vulnerability.

CVSS v3.1

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

CVSS v3.0

7.1 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H

CVSS v2.0

6.5 MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

EPSS

0.82% chance of exploitation in the next 30 days, 55th percentile

Published

2022-01-28

Updated

2025-04-15

Proof-of-concept exploits (1)

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1425

References

• CVE Record
• NVD entry

Related

• CVE-2021-40412
• CVE-2021-40414
• CVE-2021-40411
• CVE-2021-40415
• CVE-2021-40410
• CVE-2021-40416