CVE-2023-34356
CVSS v3
8.8
HIGH
EPSS Score
5.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An OS command injection vulnerability exists in the data.cgi xfer_dns functionality of peplink Surf SOHO HW1 v6.3.5 (in QEMU). A specially crafted HTTP request can lead to command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.
Technical details
- Published
- 2023-10-11
Frequently asked questions
What is CVE-2023-34356?
An OS command injection vulnerability exists in the data.cgi xfer_dns functionality of peplink Surf SOHO HW1 v6.3.5 (in QEMU). A specially crafted HTTP request can lead to command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.
Is CVE-2023-34356 actively exploited?
Active exploitation of CVE-2023-34356 has not been confirmed. Its EPSS score was 5.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2023-34356?
CVE-2023-34356 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2023-34356 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2023 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).