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01 Record

CVE-2018-3948

An exploitable denial-of-service vulnerability exists in the URI-parsing functionality of the TP-Link TL-R600VPN HTTP server. A specially crafted URL can cause the server to stop responding to

HighPUBLISHEDCNA: talos
CNA base score7.5 CVSS v3.xCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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02 Description

An exploitable denial-of-service vulnerability exists in the URI-parsing functionality of the TP-Link TL-R600VPN HTTP server. A specially crafted URL can cause the server to stop responding to

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
23.06% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 97.5% of scored records. A rank, not a probability.
NVD base score
7.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2018-11-30 17:00Z7 YR AGO
Last updated
2024-09-17 04:13Z2 YR AGO
Reserved
2018-01-02
Assigning CNA
talos
Record state
PUBLISHED
Severity
High (CVSS 7.5)
CNA CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weaknesses
  • CWE-20Improper Input ValidationClass
Data version
5.1
Document digest
844fe14adc8d8aa2483c2dffcbb4b63f00a945a8c0561f9767bd1aec71216fdf

05 Affected products

VendorProductVersionsPlatforms
n/aTP-LinkTP-Link TL-R600VPN HWv3 FRNv1.3.0 TP-Link TL-R600VPN HWv2 FRNv1.2.3—

06 References