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Known exploited vulnerability

CVE-2018-10561

criticalCVSS 3.1 9.8In CISA KEVEPSS 93%Published · n/a

The short answer

CVE-2018-10561 affects n/a n/a and is rated critical (CVSS 9.8). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-03-31: attackers are using it, so patch it first.

What it is

An issue was discovered on Dasan GPON home routers. It is possible to bypass authentication simply by appending "?images" to any URL of the device that requires authentication, as demonstrated by the /menu.html?images/ or /GponForm/diag_FORM?images/ URI. One can then manage the device.

Weakness: CWE-287.

Severity

9.8 critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploited (CISA KEV)

Yes, since Mar 31, 2022

Federal due date Apr 21, 2022

EPSS, next 30 days

93%

Higher than 100% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

The impacted product is end-of-life and should be disconnected if still in use.

Affected products

n/a. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2018-10561 being exploited?

Yes. CISA added CVE-2018-10561 to its Known Exploited Vulnerabilities catalog on 2022-03-31, with a federal remediation due date of 2022-04-21.

How do I fix CVE-2018-10561?

CISA's required action: The impacted product is end-of-life and should be disconnected if still in use.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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