10

CVE-2018-11714: tp-link tl-wr840n_firmware Session Fixation

CVSS: 10.0v2.0HighModified
Published 04-06-2018Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2018-11714 is a high (CVSS 10.0) Session Fixation vulnerability in tp-link tl-wr840n_firmware. EPSS estimates a 67.06% chance of exploitation in the next 30 days, higher than 99.2% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
90/100
0100
Critical · default modelHow is this calculated?
CVSS score
10.0/10
010
High · v2.0 (NVD)
EPSS score
67.06%
0%100%
Critical · -0.99 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2exploit-database, reference

Advisory lineage

Upstream 0 · Downstream 0 · Duplicates 1
CVE-2024-57050

Timeline

  1. 04-06-2018
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered on TP-Link TL-WR840N v5 00000005 0.9.1 3.16 v0001.0 Build 170608 Rel.58696n and TL-WR841N v13 00000013 0.9.1 4.16 v0001.0 Build 170622 Rel.64334n devices. This issue is caused by improper session handling on the /cgi/ folder or a /cgi file. If an attacker sends a header of "Referer: http://192.168.0.1/mainFrame.htm" then no authentication is required for any action.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

67.06%

Chance of exploitation in the next 30 days

Percentile

99%

Versus all other CVEs

30-day change

-0.99 pp

From 68.05% on 20-09-2026

20-09-202620-10-2026
EPSS score
67.06%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • exploit-databasehardwareUnverified

    TP-Link TL-WR840N/TL-WR841N - Authenticaton Bypass

    Maturity: poc

  • referenceUnverified

    Exploit Reference (blog.securelayer7.net)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Tp-link2 products

1 vendor · 2 products

References

2 links