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CVE-2022-34402

20
FAUCET Score

CVE-2022-34402 is a Regular Expression Denial of Service (ReDoS) vulnerability affecting Dell Wyse ThinOS 2205 and various Dell Wyse thin client models. An attacker with administrative privileges can exploit this flaw remotely, leading to a denial-of-service condition for the affected device. While rated as MEDIUM severity with a CVSS score of 4.9, indicating a high impact on availability, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 9.3.2102CPE matchmatch criteria
cpe:2.3:o:dell:wyse_thinos:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.3
Impact Score
4.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.61%
Probability of exploitation in next 30 days
EPSS Percentile
45.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0061 is in the 45th percentile among its peer group of 3,566 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

dell.com / support/kbdoc/en-us/000203376/dsa-2022-247-dell-wyse-thinos-security-update-for-a-regular-expression-vulnerability
PatchVendor Advisory