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PatchSiren cyber security CVE debrief

CVE-2018-10562 Dasan CVE debrief

CVE-2018-10562 is a command injection vulnerability affecting Dasan Gigabit Passive Optical Network (GPON) routers. CISA added it to the Known Exploited Vulnerabilities catalog on 2022-03-31 and marked it as associated with known ransomware campaign use. CISA’s guidance for impacted devices is clear: the product is end-of-life and should be disconnected if still in use.

Vendor
Dasan
Product
Gigabit Passive Optical Network (GPON) Routers
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-03-31
Original CVE updated
2022-03-31
Advisory published
2022-03-31
Advisory updated
2022-03-31

Who should care

Organizations or operators that still have Dasan GPON routers deployed, especially anyone responsible for network edge or access infrastructure.

Technical summary

The vulnerability is identified as a command injection issue in Dasan GPON routers. The supplied official sources do not provide additional technical detail here, but the CISA KEV record confirms known exploitation and notes that the impacted product is end-of-life.

Defensive priority

Urgent. Treat as high priority because it is KEV-listed, has known ransomware campaign use, and CISA advises disconnecting the end-of-life product if it remains deployed.

Recommended defensive actions

  • Inventory any Dasan GPON routers in your environment.
  • If the product is still in use, follow CISA’s guidance and disconnect it because it is end-of-life.
  • Replace affected devices with supported equipment.
  • Prioritize immediate remediation for any exposed or internet-reachable instances.

Evidence notes

Source corpus includes the official CVE record, NVD detail page, and CISA KEV entry. The CISA KEV source item states the vulnerability name, dateAdded 2022-03-31, dueDate 2022-04-21, knownRansomwareCampaignUse as Known, and the required action that the impacted product is end-of-life and should be disconnected if still in use. Published and modified dates supplied for the CVE and source item are both 2022-03-31.

Sources and references

Verified primary and authoritative sources

  • CVE-2018-10562 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2018-10562

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2018-10562 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2018-10562

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.