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CVE-2018-10561: Dasan GPON Routers Authentication Bypass Vulnerability

criticalknown exploitedpublic exploitCVE-2018-10561
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Dasan GPON Routers contain an authentication bypass vulnerability. When combined with CVE-2018-10562, exploitation can allow an attacker to perform remote code execution.

CSIRTS triage

vendor: Dasanproduct: GPON RoutersAuthentication bypassRemote code execution
What
Dasan GPON Routers contain an authentication bypass vulnerability that can lead to remote code execution when combined with another vulnerability.
Who is affected
Users of Dasan GPON Routers are affected by this vulnerability.
Urgency
Remediation is critical due to confirmed exploitation and the severity of the vulnerabilities.
Action
Apply the latest firmware updates to mitigate these vulnerabilities.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2022-03-31
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2018-10561

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2018-10561coverage & exploitation statusNVD · CVE.org

Recent advisories for Dasan GPON Routers

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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