HP d9l21a Firmware vulnerabilities

4 CVEs affecting HP d9l21a Firmware, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-1997, published 2026-02-10.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2017-2741, published 2018-01-23. Critical severity, CVSS 9.8. EPSS: 84.6% chance of exploitation in the next 30 days. A potential security vulnerability has been identified with HP PageWide Printers, HP OfficeJet Pro Printers, with firmware before 1708D. This vulnerability could potentially be exploited to execute…
• CVE-2022-28721, published 2022-09-26. Critical severity, CVSS 9.8. EPSS: 2% chance of exploitation in the next 30 days. Certain HP Print Products are potentially vulnerable to Remote Code Execution.
• CVE-2022-28722, published 2022-09-26. Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days. Certain HP Print Products are potentially vulnerable to Buffer Overflow.
• CVE-2026-1997, published 2026-02-10. Medium severity, CVSS 5.3. EPSS: 0.2% chance of exploitation in the next 30 days. Certain HP OfficeJet Pro printers may expose information if Cross‑Origin Resource Sharing (CORS) is misconfigured, potentially allowing unauthorized web origins to access device resource. CORS is…