CVE-2026-22221
CVE-2026-22221 is a high-severity vulnerability in Tp-link Archer Be230 Firmware with a CVSS 3.x base score of 8.0. 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-78.
Key facts
- Severity: High (CVSS 3.x base score 8.0)
- CVSS v4: 8.5
- EPSS exploit prediction: 1% (67th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-5100
- Weakness: CWE-78
- Affected product: Tp-link Archer Be230 Firmware
- Published:
- Last modified:
Description
An OS Command Injection vulnerability in TP-Link Archer BE230 v1.2(vpn modules) allows adjacent authenticated attacker execute arbitrary code. Successful exploitation could allow an attacker to gain full administrative control of the device, resulting in severe compromise of configuration integrity, network security, and service availability. This CVE covers one of multiple distinct OS command injection issues identified across separate code paths. Although similar in nature, each instance is tracked under a unique CVE ID.This issue affects Archer BE230 v1.2 < 1.2.4 Build 20251218 rel.70420.
Frequently asked questions
- What is CVE-2026-22221?
- An OS Command Injection vulnerability in TP-Link Archer BE230 v1.2(vpn modules) allows adjacent authenticated attacker execute arbitrary code. Successful exploitation could allow an attacker to gain full administrative control of the device, resulting in severe compromise of configuration integrity, network security, and service availability. This CVE covers one of multiple distinct OS command injection issues identified across separate code paths. Although similar in nature, each instance is tracked under a unique CVE ID.This issue affects Archer BE230 v1.2 < 1.2.4 Build 20251218 rel.70420.
- How severe is CVE-2026-22221?
- CVE-2026-22221 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2026-22221 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-22221?
- CVE-2026-22221 affects Tp-link Archer Be230 Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-22221?
- 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.
- Does CVE-2026-22221 have an EU (EUVD) identifier?
- Yes. CVE-2026-22221 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-5100.
- When was CVE-2026-22221 published?
- CVE-2026-22221 was published on 2026-02-02 and last updated on 2026-06-17.
References
- https://www.tp-link.com/en/support/download/archer-be230/v1.20/#Firmware
- https://www.tp-link.com/sg/support/download/archer-be230/v1.20/#Firmware
- https://www.tp-link.com/us/support/download/archer-be230/v1.20/#Firmware
- https://www.tp-link.com/us/support/faq/4935/
Affected products (1)
- cpe:2.3:o:tp-link:archer_be230_firmware:*:*:*:*:*:*:*:*
More vulnerabilities in Tp-link Archer Be230 Firmware
- CVE-2026-22223 — High (CVSS 8.0): An OS Command Injection vulnerability in TP-Link Archer BE230 v1.2(vpn modules) allows adjacent authenticated…
- CVE-2026-22222 — High (CVSS 8.0): An OS Command Injection vulnerability in TP-Link Archer BE230 v1.2(web modules) allows adjacent authenticated…
- CVE-2026-0631 — High (CVSS 8.0): An OS Command Injection vulnerability in TP-Link Archer BE230 v1.2(vpn modules) allows an adjacent authenticated…
- CVE-2026-0630 — High (CVSS 8.0): An OS Command Injection vulnerability in TP-Link Archer BE230 v1.2(web modules) and Archer AXE75 v1.0 allows adjacent…
- CVE-2026-22229 — High (CVSS 7.2): A command injection vulnerability may be exploited after the admin's authentication via the import of a crafted VPN…
- CVE-2026-22227 — High (CVSS 7.2): A command injection vulnerability may be exploited after the admin's authentication via the configuration backup…
All CVEs affecting Tp-link Archer Be230 Firmware →
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