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CVE-2022-0162: Vulnerability in TP-LinK TL-WR841N wireless router

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-02-09 · updated 2026-06-17
• Weakness: CWE-319

Description

The vulnerability exists in TP-Link TL-WR841N V11 3.16.9 Build 160325 Rel.62500n wireless router due to transmission of authentication information in cleartextbase64 format. Successful exploitation of this vulnerability could allow a remote attacker to intercept credentials and subsequently perform administrative operations on the affected device through web-based management interface.

Affected products

• TP-Link TL-WR841N: 3.16.9-build160325_rel.62500n

References

• https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2022-0068
• https://www.cert-in.org.in/s2cMainServlet?pageid=PUBVLNOTES01&VLCODE=CIVN-2022-0068

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