How severe is CVE-2020-10888?

CVE-2020-10888 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-10888 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10888?

CVE-2020-10888 affects Tp-link Ac1750 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-10888?

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

When was CVE-2020-10888 published?

CVE-2020-10888 was published on 2020-03-25 and last updated on 2026-06-17.

CVE-2020-10888

CVE-2020-10888 is a critical-severity vulnerability in Tp-link Ac1750 Firmware with a CVSS 3.x base score of 9.8. 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: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Tp-link Ac1750 Firmware
Published: 2020-03-25
Last modified: 2026-06-17

Description

This vulnerability allows remote attackers to bypass authentication on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of SSH port forwarding requests during initial setup. The issue results from the lack of proper authentication prior to establishing SSH port forwarding rules. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from the WAN interface. Was ZDI-CAN-9664.

Frequently asked questions

What is CVE-2020-10888?: This vulnerability allows remote attackers to bypass authentication on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of SSH port forwarding requests during initial setup. The issue results from the lack of proper authentication prior to establishing SSH port forwarding rules. An attacker can leverage this vulnerability to escalate privileges to resources normally protected from the WAN interface. Was ZDI-CAN-9664.
How severe is CVE-2020-10888?: CVE-2020-10888 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-10888 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10888?: CVE-2020-10888 affects Tp-link Ac1750 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-10888?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-10888 published?: CVE-2020-10888 was published on 2020-03-25 and last updated on 2026-06-17.

References

https://www.zerodayinitiative.com/advisories/ZDI-20-340/

Affected products (1)

cpe:2.3:o:tp-link:ac1750_firmware:190726:*:*:*:*:*:*:*

More vulnerabilities in Tp-link Ac1750 Firmware

CVE-2020-28347 — Critical (CVSS 9.8): tdpServer on TP-Link Archer A7 AC1750 devices before 201029 allows remote attackers to execute arbitrary code via the…
CVE-2020-10887 — Critical (CVSS 9.8): This vulnerability allows a firewall bypass on affected installations of TP-Link Archer A7 Firmware Ver: 190726 AC1750…
CVE-2020-10886 — Critical (CVSS 9.8): This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer A7…
CVE-2020-10885 — Critical (CVSS 9.8): This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer A7…
CVE-2020-10881 — Critical (CVSS 9.8): This vulnerability allows remote attackers to execute arbitrary code on affected installations of TP-Link Archer A7…
CVE-2022-24353 — High (CVSS 8.8): This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of TP-Link…

All CVEs affecting Tp-link Ac1750 Firmware →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →