CVE-2025-60553: D-Link DIR600L Ax FW116WWb01 was discovered to contain a buffer overflow via the curTime parameter in the func

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CRITICAL 9.8REMOTEMITIGATE

CVE-2025-60553 is a critical-severity flaw (CVSS 9.8) affecting dir-600l firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

D-Link DIR600L Ax FW116WWb01 was discovered to contain a buffer overflow via the curTime parameter in the function formSetWAN_Wizard52.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 65%)
CISA exploited list	No
Weakness	CWE-120
Published	2025-10-24
Last modified	2026-10-27

Publisher (CNA): MITRE · Vendor: dlink

Last updated 2026-10-27 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-10-24 16:20 UTCPublished CVE record published
2026-10-27 12:10 UTCUpdated Record last modified

dlink dir-600l firmware MITIGATE

Affected: 1.16wwb01

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.16wwb01

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-2025-60553?

dir-600l firmware: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-60553 being exploited?

CVE-2025-60553 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-2025-60553 affect?

CVE-2025-60553 affects dir-600l firmware. Severity is critical (CVSS 9.8). D-Link DIR600L Ax FW116WWb01 was discovered to contain a buffer overflow via the curTime parameter in the function formSetWAN_Wizard52.

How urgent is CVE-2025-60553?

Priority 48/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

D-Link vulnerabilities

Related CVEs

CVE-2025-60570 HIGH 7.5 MITIGATE D-Link DIR600L Ax FW116WWb01 was discovered to contain a buffer overflow via the curTime parameter in the func
CVE-2025-60549 HIGH 7.5 MITIGATE D-Link DIR600L Ax FW116WWb01 was discovered to contain a buffer overflow via the curTime parameter in the func
CVE-2025-60550 HIGH 7.5 MITIGATE D-Link DIR600L Ax FW116WWb01 was discovered to contain a buffer overflow via the curTime parameter in the func
CVE-2025-60552 HIGH 7.5 MITIGATE D-Link DIR600L Ax FW116WWb01 was discovered to contain a buffer overflow via the curTime parameter in the func
CVE-2026-42374 CRITICAL 9.8 MITIGATE D-Link DIR-600L Hardware Revision B1 (End-of-Life) contains a hardcoded telnet backdoor

References

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