How severe is CVE-2020-15055?

CVE-2020-15055 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-15055 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15055?

CVE-2020-15055 affects Tp-link Tl-ps310u Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15055?

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-2020-15055 published?

CVE-2020-15055 was published on 2020-08-07 and last updated on 2026-06-17.

CVE-2020-15055

CVE-2020-15055 is a high-severity vulnerability in Tp-link Tl-ps310u 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-287.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 8.3
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Tp-link Tl-ps310u Firmware
Published: 2020-08-07
Last modified: 2026-06-17

Description

TP-Link USB Network Server TL-PS310U devices before 2.079.000.t0210 allow an attacker on the same network to bypass authentication via a web-administration request that lacks a password parameter.

Frequently asked questions

What is CVE-2020-15055?: TP-Link USB Network Server TL-PS310U devices before 2.079.000.t0210 allow an attacker on the same network to bypass authentication via a web-administration request that lacks a password parameter.
How severe is CVE-2020-15055?: CVE-2020-15055 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-15055 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15055?: CVE-2020-15055 affects Tp-link Tl-ps310u Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15055?: 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-2020-15055 published?: CVE-2020-15055 was published on 2020-08-07 and last updated on 2026-06-17.

References

https://research.hisolutions.com/2020/05/critical-vulnerabilites-in-multiple-usb-network-servers/

Affected products (1)

cpe:2.3:o:tp-link:tl-ps310u_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Tp-link Tl-ps310u Firmware

CVE-2020-15054 — High (CVSS 8.8): TP-Link USB Network Server TL-PS310U devices before 2.079.000.t0210 allow an attacker on the same network to elevate…
CVE-2020-15057 — Medium (CVSS 6.5): TP-Link USB Network Server TL-PS310U devices before 2.079.000.t0210 allow an attacker on the same network to…
CVE-2020-15056 — Medium (CVSS 4.3): TP-Link USB Network Server TL-PS310U devices before 2.079.000.t0210 allow an attacker on the same network to conduct…

All CVEs affecting Tp-link Tl-ps310u Firmware →

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