TI-2023-12114 Aliases CVE-2023-27380 GHSA-726f-hhr3-x9g3

OS command injection in Peplink Surf SOHO HW1

HIGH 73CWE-78Published 2023-10-11 · Updated 2024-09-18

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-78.

Summary

An OS command injection vulnerability exists in the admin.cgi USSD_send 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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.05905 93rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Peplink	Surf SOHO HW1	v6.3.5 (in QEMU)	—	No fix listed	CNA

Surf SOHO HW1 VendorPeplink Affected v6.3.5 (in QEMU) Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:peplink:surf_soho_firmware:6.3.5:::::::*	6.3.5	Vulnerable	Peplink
cpe:2.3:h:peplink:surf_soho:hw1:::::::*	hw1	Running on	Peplink

cpe:2.3:o:peplink:surf_soho_firmware:6.3.5:*:*:*:*:*:*:* Versions 6.3.5 Vulnerable ·Peplink
cpe:2.3:h:peplink:surf_soho:hw1:*:*:*:*:*:*:* Versions hw1 Running on ·Peplink

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-27380
2026-10-03 Alias added: GHSA-726f-hhr3-x9g3

References

Exploit 1

https://talosintelligence.com/vulnerability_reports/TALOS-2023-1780

TI-2023-17638 OS command injection in Peplink Surf SOHO HW1 CVSS 3.1HIGH 8.8
TI-2023-17637 OS command injection in Peplink Surf SOHO HW1 CVSS 3.1HIGH 8.8
TI-2023-17188 OS command injection in Peplink Surf SOHO HW1 CVSS 3.1HIGH 8.8
TI-2023-12927 OS command injection in Peplink Surf SOHO HW1 CVSS 3.1HIGH 8.8
TI-2023-17186 Cross-site scripting in Peplink Surf SOHO HW1 CVSS 3.1MEDIUM 5.4
TI-2020-14857 Peplink Balance before 8.1.0rc1 allows an unauthenticated attacker to download PHP… CVSS 3.1HIGH 7.5

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences