VulnerabilityModified
CVE-2021-40423
A denial of service vulnerability exists in the cgiserver.cgi API command parser functionality of Reolink RLC-410W v3.0.0.136_20121102.
HIGH 7.5EPSS 1.34%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.34%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A denial of service vulnerability exists in the cgiserver.cgi API command parser functionality of Reolink RLC-410W v3.0.0.136_20121102. A specially-crafted series of HTTP requests can lead to denial of service. An attacker can send an HTTP request to trigger this vulnerability.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.34% probability · 70th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- reolink/rlc-410w firmware
- Source
- talos-cna@cisco.com
References
- https://talosintelligence.com/vulnerability_reports/TALOS-2022-1432Broken Link, Technical Description, Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1432Exploit, Technical Description, Third Party Advisory
- https://talosintelligence.com/vulnerability_reports/TALOS-2022-1432Broken Link, Technical Description, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.