9.8

CVE-2020-10887: tp-link ac1750_firmware Protection Mechanism Failure

CVSS: 9.8v3.1CriticalModified
Published 25-03-2020Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2020-10887 is a critical (CVSS 9.8) Protection Mechanism Failure vulnerability in tp-link ac1750_firmware. EPSS estimates a 3.69% chance of exploitation in the next 30 days, higher than 89.6% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
3.69%
0%100%
Low · -0.52 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 25-03-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

This vulnerability allows a firewall bypass 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 IPv6 connections. The issue results from the lack of proper filtering of IPv6 SSH connections. An attacker can leverage this in conjunction with other vulnerabilities to execute code in the context of root. Was ZDI-CAN-9663.

CVSS metrics

4 scores · 2 sources · 3 versions

EPSS trend

Probability

3.69%

Chance of exploitation in the next 30 days

Percentile

90%

Versus all other CVEs

30-day change

-0.52 pp

From 4.21% on 21-09-2026

21-09-202621-10-2026
EPSS score
3.69%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Tp-link2 products

1 vendor · 2 products

References

1 links