How severe is CVE-2018-15702?

CVE-2018-15702 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-15702 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15702?

CVE-2018-15702 affects Tp-link Tl-wrn841n Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-15702?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-15702 published?

CVE-2018-15702 was published on 2018-10-01 and last updated on 2026-06-17.

CVE-2018-15702

CVE-2018-15702 is a high-severity vulnerability in Tp-link Tl-wrn841n Firmware with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.8
EPSS exploit prediction: 0% (37th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-352
Affected product: Tp-link Tl-wrn841n Firmware
Published: 2018-10-01
Last modified: 2026-06-17

Description

The web interface in TP-Link TL-WRN841N 0.9.1 4.16 v0348.0 is vulnerable to CSRF due to insufficient validation of the referer field.

Frequently asked questions

What is CVE-2018-15702?: The web interface in TP-Link TL-WRN841N 0.9.1 4.16 v0348.0 is vulnerable to CSRF due to insufficient validation of the referer field.
How severe is CVE-2018-15702?: CVE-2018-15702 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-15702 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15702?: CVE-2018-15702 affects Tp-link Tl-wrn841n Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-15702?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-15702 published?: CVE-2018-15702 was published on 2018-10-01 and last updated on 2026-06-17.

References

https://www.tenable.com/security/research/tra-2018-27

Affected products (1)

cpe:2.3:o:tp-link:tl-wrn841n_firmware:0.9.1_4.16_v0348.0:*:*:*:*:*:*:*

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