CVE-2017-8838
XSS via syncid exists on Peplink Balance 305, 380, 580, 710, 1350, and 2500 devices with firmware before fw-b305hw2_380hw6_580hw2_710hw3_1350hw2_2500-7.0.1-build2093.
Does this matter?
A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 1.8%. Treat it as high on anything reachable from the internet.
Description
XSS via syncid exists on Peplink Balance 305, 380, 580, 710, 1350, and 2500 devices with firmware before fw-b305hw2_380hw6_580hw2_710hw3_1350hw2_2500-7.0.1-build2093. The affected script is cgi-bin/HASync/hasync.cgi.
- CVSS 3.0
- 6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 1.79% probability · 78th percentile
- Public exploits
- 1 in Exploit-DB · first 6 June 2017
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- peplink/b305hw2 firmware · peplink/380hw6 firmware · peplink/580hw2 firmware · peplink/710hw3 firmware · peplink/1350hw2 firmware · peplink/2500 firmware
- Source
- cve@mitre.org
EPSS 1.8% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://seclists.org/bugtraq/2017/Jun/1Mailing List, Third Party Advisory
- https://www.exploit-db.com/exploits/42130/
- https://www.x41-dsec.de/lab/advisories/x41-2017-005-peplink/Patch, Third Party Advisory
- http://seclists.org/bugtraq/2017/Jun/1Mailing List, Third Party Advisory
- https://www.exploit-db.com/exploits/42130/
- https://www.x41-dsec.de/lab/advisories/x41-2017-005-peplink/Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.