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CVE-2021-32403

38
FAUCET Score

CVE-2021-32403 is a Cross-Site Request Forgery (CSRF) vulnerability affecting Intelbras Router RF 301K Firmware version 1.1.2, stemming from insufficient token protection and insecure input handling. This high-severity vulnerability, rated 8.8 CVSS, allows an unauthenticated attacker to execute arbitrary actions on the router with high impact on confidentiality, integrity, and availability, requiring user interaction. While not listed in CISA's KEV catalog, a public exploit (EDB-49969) exists for DNS hijacking, yet there is no evidence of active exploitation or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
1.1.2CPE matchmatch criteria
cpe:2.3:o:intelbras:rf_301k_firmware:1.1.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.47%
Probability of exploitation in next 30 days
EPSS Percentile
82.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
ExploitDB: EDB-49969 · Jun 9, 2021
This CVE's current EPSS score of 0.0247 is in the 82nd percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

packetstormsecurity.com / files/163023/Intelbras-Router-RF-301K-Cross-Site-Request-Forgery.html
ExploitThird Party AdvisoryVDB Entry
youtube.com / watch
ExploitThird Party Advisory