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High 8.5Published Oct 1, 2026

CVE-2026-102294Authenticated OS Command Injection in TL-WR841N IPv6 WAN Configuration

Updated under an hour ago ()

Does this affect you?

It affects TP-Link System Inc. TL-WR841N v14. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.92%, higher than 59% of scored CVEs.

TP-Link TL-WR841N contains an authenticated OS command injection vulnerability in the IPv6 WAN configuration. A crafted IPv6 Gateway value is improperly incorporated into a system command, allowing an authenticated administrator to execute arbitrary operating system commands.  Successful exploitation may allow unauthorized access to sensitive information, modification of device configuration or services, and disruption of device operation.

CVSS
8.5 HIGH (v4.0, CNA)CVSS:4.0/AV:A/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Weakness (CWE)
CWE-78
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
0.92% (percentile 59)
Assigned by
TPLink
NVD analysis
Deferred
Record last updated
Oct 2, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
TP-Link System Inc. TL-WR841N v14
tp_link_system:tl_wr841n_v14 (from the name)
before 4.19 Build 260821 (EN); before 4.19 Build 260820 (US)
CNA record

References

  • patch
  • patch
  • vendor-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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