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Vulnerabilities

Vulnerability · CVE-2025-60335

A NULL pointer dereference in the main function of TOTOLINK N600R v4.3.0cu.7866_B20220506 allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

Published Oct 22, 2025 · catalog updated Oct 27, 2026 · n600r firmware

Last checked Oct 27, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-60335. EPSS is 2.13%. Act only if a listed version of n600r firmware is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
2.13%
Remediation
Vendor / distro source
Affected products
cpe totolink/n600r firmware · vendor n/a n/a n/a

A NULL pointer dereference in the main function of TOTOLINK N600R v4.3.0cu.7866_B20220506 allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe totolink/n600r firmware4.3.0cu.7866_b20220506
  • vendor n/a n/a n/an/a

How to fix CVE-2025-60335

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-60335. EPSS is 2.13%. Act only if a listed version of n600r firmware is installed.

Which versions are affected?

Compare what you have installed with totolink/n600r firmware 4.3.0cu.7866_b20220506; n/a n/a n/a n/a. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-476: NULL Pointer Dereference. EPSS 2.13%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 22, 2025 · EUVD

    Detected

    A NULL pointer dereference in the main function of TOTOLINK N600R v4.3.0cu.7866_B20220506 allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

  2. Oct 23, 2025 · EUVD

    Updated

    A NULL pointer dereference in the main function of TOTOLINK N600R v4.3.0cu.7866_B20220506 allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

  3. Oct 27, 2026 · NIST NVD

    Updated

    A NULL pointer dereference in the main function of TOTOLINK N600R v4.3.0cu.7866_B20220506 allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

Sources

  • CVE.orgVulnerability recordCVE-2025-60335

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-60335

    30-day exploitation probability 2.13%

    first.org
  • EUVDVulnerability recordEUVD-2025-35585

    A NULL pointer dereference in the main function of TOTOLINK N600R v4.3.0cu.7866_B20220506 allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

    euvd.enisa.europa.eu
  • NIST NVDVulnerability recordCVE-2025-60335

    A NULL pointer dereference in the main function of TOTOLINK N600R v4.3.0cu.7866_B20220506 allows attackers to cause a Denial of Service (DoS) via a crafted HTTP request.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • NIST NVDOct 27, 2026
  • FIRST EPSSOct 26, 2026
  • CVE.orgOct 26, 2026
  • EUVDOct 26, 2026