CVE-2026-17639: Certain HP Smart Tank All in One – Potential Denial of Service

Severity: medium (CVSS 6.9 v4.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-17 · updated 2026-08-31
Weakness: CWE-400

Description

Certain HP Smart Tank All-in-One printers may be potentially vulnerable to a denial of service condition that allows an unauthenticated attacker to cause the device to become unavailable by sending multiple concurrent HTTP requests.

Affected products

HP Inc HP Smart Tank 210 Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 215 Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 218 Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 5000 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 5001 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 5003 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 5100 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 5101 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 5102 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 5103 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 5104 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 5105 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 5106 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 5107 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 5108 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 5109 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 5115 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 520 All-in-One Printer: before 001.2622C or later — fixed in 001.2622C or later
HP Inc HP Smart Tank 521 All-in-One Printer: before 001.2622C or later — fixed in 001.2622C or later
HP Inc HP Smart Tank 523 All-in-One Printer: before 001.2622C or later — fixed in 001.2622C or later
HP Inc HP Smart Tank 524 All-in-One Printer: before 001.2622C or later — fixed in 001.2622C or later
HP Inc HP Smart Tank 525 All-in-One Printer: before 001.2622C or later — fixed in 001.2622C or later
HP Inc HP Smart Tank 529 All-in-One Printer: before 001.2622C or later — fixed in 001.2622C or later
HP Inc HP Smart Tank 580 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 581 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 582 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 583 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 584 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 585 All-in-One Printer: before <001.2630C — fixed in <001.2630C
HP Inc HP Smart Tank 588 All-in-One Printer: before <001.2630C — fixed in <001.2630C

How to fix

Upgrade to a fixed version: HP Inc HP Smart Tank 210 Printer <001.2630C; HP Inc HP Smart Tank 215 Printer <001.2630C; HP Inc HP Smart Tank 218 Printer <001.2630C; HP Inc HP Smart Tank 5000 All-in-One Printer <001.2630C; HP Inc HP Smart Tank 5001 All-in-One Printer <001.2630C; HP Inc HP Smart Tank 5003 All-in-One Printer <001.2630C; HP Inc HP Smart Tank 5100 All-in-One Printer <001.2630C; HP Inc HP Smart Tank 5101 All-in-One Printer <001.2630C; HP Inc HP Smart Tank 5102 All-in-One Printer <001.2630C; HP Inc HP Smart Tank 5103 All-in-One Printer <001.2630C; HP Inc HP Smart Tank 5104 All-in-One Printer <001.2630C; HP Inc HP Smart Tank 5105 All-in-One Printer <001.2630C. Check the vendor advisory for mitigations.

References

https://support.hp.com/us-en/document/ish_15407218-15407241-16/hpsbpi04142

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