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Exploited vulnerability · CISA KEV

Is CVE-2015-3035 exploited? Yes: in CISA KEV since 25 Mar 2022

Gociux · TP-Link Multiple Archer Devices · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2015-3035, TP-Link Multiple Archer Devices Directory Traversal Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 25 Mar 2022, 2534 days after it was published. It affects TP-Link Multiple Archer Devices. If you run it, CISA's required action is: Apply updates per vendor instructions.

exploitedYesCISA KEV · 25 Mar 2022
ransomwareNot knownno confirmed use
EPSStop 1%among the most likely CVEs to be exploited
severity7.5CVSS 3.1 · high
US federal due15 Apr 2022BOD 22-01 deadline

What it is

Directory traversal vulnerability in multiple TP-Link Archer devices allows remote attackers to read arbitrary files via a .. (dot dot) in the PATH_INFO to login/.

VendorTP-Link (6 exploited CVEs in KEV)
ProductMultiple Archer Devices
VulnerabilityTP-Link Multiple Archer Devices Directory Traversal Vulnerability
WeaknessCWE-22
Published17 Apr 2015
Added to KEV25 Mar 2022
Reported by (CNA)mitre

What to do

  1. Check whether you run it. Look for Multiple Archer Devices in your asset inventory, including appliances and cloud images. Stack check lists every exploited TP-Link CVE at once.
  2. Apply the fix. Apply updates per vendor instructions.
  3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 17 Apr 2015.
  4. Get told next time. Email alerts when CISA adds a CVE for TP-Link.

References

Questions

Is CVE-2015-3035 being exploited?

Yes. CISA added CVE-2015-3035 to the Known Exploited Vulnerabilities catalog on 25 Mar 2022, which means there is reliable evidence of exploitation in the wild.

Is CVE-2015-3035 used in ransomware attacks?

CISA does not list known ransomware use for it. That can change, and exploitation alone is reason to fix it first.

How do I fix CVE-2015-3035?

Apply updates per vendor instructions. Check TP-Link's advisory for the fixed versions, and if you can't patch quickly, restrict access to the affected Multiple Archer Devices and watch it for signs of compromise.

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in March 2022 · TP-Link scorecard · act-now radar.

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