CVE-2026-2562: A vulnerability was determined in JingDong JD Cloud Box AX6600 up to 4.5.1.r4533

Q: How do I fix CVE-2026-2562?

ax6600 firmware: upgrade to newer than 4.5.1.r4533. Exact commands for each OS are on this page.

Q: Is CVE-2026-2562 being exploited?

CVE-2026-2562 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-2562 affect?

CVE-2026-2562 affects ax6600 firmware. Severity is medium (CVSS 6.3). A vulnerability was determined in JingDong JD Cloud Box AX6600 up to 4.5.1.r4533. This impacts the function cast_streen of the file /jdcapi of the component jdcweb_rpc. Executing a manipulation of the argument File can lead to Remote Privil

Q: How urgent is CVE-2026-2562?

Priority 30/100. No elevated risk signals yet.

Routine

MEDIUM 6.3UPGRADE

CVE-2026-2562 is a medium-severity flaw (CVSS 6.3) affecting ax6600 firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was determined in JingDong JD Cloud Box AX6600 up to 4.5.1.r4533. This impacts the function cast_streen of the file /jdcapi of the component jdcweb_rpc. Executing a manipulation of the argument File can lead to Remote Privilege Escalation. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 69%)
CISA exploited list	No
Weakness	CWE-266, CWE-269
Published	2026-02-16
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: jdcloud

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-16 15:18 UTCPublished CVE record published
2026-06-17 10:31 UTCUpdated Record last modified

jdcloud ax6600 firmware UPGRADE

Affected: <= 4.5.1.r4533

Fixed in: newer than 4.5.1.r4533

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-2562?

ax6600 firmware: upgrade to newer than 4.5.1.r4533. Exact commands for each OS are on this page.

Is CVE-2026-2562 being exploited?

CVE-2026-2562 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-2562 affect?

CVE-2026-2562 affects ax6600 firmware. Severity is medium (CVSS 6.3). A vulnerability was determined in JingDong JD Cloud Box AX6600 up to 4.5.1.r4533. This impacts the function cast_streen of the file /jdcapi of the component jdcweb_rpc. Executing a manipulation of the argument File can lead to Remote Privil

How urgent is CVE-2026-2562?

Priority 30/100. No elevated risk signals yet.

Related CVEs

CVE-2025-66848 CRITICAL 9.8 UPGRADE UPGRADE JD Cloud NAS routers AX1800 (4.3.1.r4308 and earlier), AX3000 (4.3.1.r4318 and earlier), AX6600 (4.5.1.r4533 a
CVE-2026-2563 MEDIUM 6.3 UPGRADE A vulnerability was identified in JingDong JD Cloud Box AX6600 up to 4.5.1.r4533
CVE-2026-2561 MEDIUM 6.3 UPGRADE A vulnerability was found in JingDong JD Cloud Box AX6600 up to 4.5.1.r4533

References

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