CVE-2019-10677
Multiple Cross-Site Scripting (XSS) issues in the web interface on DASAN Zhone ZNID GPON 2426A EU version S3.1.285 devices allow a remote attacker to execute arbitrary JavaScript via manipulation of an unsanitized GET parameter: /zhndnsdisplay.cmd…
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 7.3%. Treat it as high on anything reachable from the internet.
Description
Multiple Cross-Site Scripting (XSS) issues in the web interface on DASAN Zhone ZNID GPON 2426A EU version S3.1.285 devices allow a remote attacker to execute arbitrary JavaScript via manipulation of an unsanitized GET parameter: /zhndnsdisplay.cmd (name), /wlsecrefresh.wl (wlWscCfgMethod, wl_wsc_reg).
- 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
- 7.25% probability · 94th percentile
- Public exploits
- 1 in Exploit-DB · first 4 September 2019
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- dasanzhone/znid gpon 2426a eu firmware
- Source
- cve@mitre.org
EPSS moved from 8.3% on 21 September 2026 to 7.3% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
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://packetstormsecurity.com/files/154357/DASAN-Zhone-ZNID-GPON-2426A-EU-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- https://adamziaja.com/poc/201903-xss-zhone.htmlExploit, Third Party Advisory
- https://blog.redteam.pl/2019/09/cve-2019-10677-dasan-zhone-znid.htmlExploit, Third Party Advisory
- https://redteam.pl/poc/dasan-zhone-znid-gpon-2426a-eu.htmlExploit, Third Party Advisory
- http://packetstormsecurity.com/files/154357/DASAN-Zhone-ZNID-GPON-2426A-EU-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
- https://adamziaja.com/poc/201903-xss-zhone.htmlExploit, Third Party Advisory
- https://blog.redteam.pl/2019/09/cve-2019-10677-dasan-zhone-znid.htmlExploit, Third Party Advisory
- https://redteam.pl/poc/dasan-zhone-znid-gpon-2426a-eu.htmlExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.