Skip to content
vulnerability

CVE-2025-9377

7.2
High
KEV · Exploited in wildEPSS 41%Patch available

The authenticated remote command execution (RCE) vulnerability exists in the Parental Control page on TP-Link Archer C7(EU) V2 and TL-WR841N/ND(MS) V9. This issue affects Archer C7(EU) V2: before 241108 and TL-WR841N/ND(MS) V9: before 241108. Both products have reached the status of EOL (end-of-life). It's recommending to purchase the new product to ensure better performance and security. If replacement is not an option in the short term, please use the second reference link to download and install the patch(es).

exploited
Yes, in CISA KEV since 3 Sept 2025fix by 24 Sept 2025 (CISA deadline for US federal agencies)
fix
Patch available see the advisory in the references
likelihood
EPSS 41.3%
Published 29 Aug 2025Analysed here 2 Nov 2026

do firstApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

triage
server-sideruntimeWAF can block: partlyAV · networkCWE-78· OS Command Injection

Can a WAF block it? Partly. OS command injection puts shell syntax into the request. WAF rules catch common shell commands but miss encoded or unusual payloads.

Also consider: shlex/execve-style APIs

Based on the weakness type only; no CVE-specific evidence yet. We check Cloudflare, AWS, Google Cloud Armor and Azure; for Akamai, Imperva, Fastly, F5, ask your vendor.

cvss vector
attack vectornetworkattack complexitylowprivileges requiredhighuser interactionnonescopeunchangedconfidentialityhighintegrityhighavailabilityhigh
CVSS 3.1 · CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
common questions

Is CVE-2025-9377 being exploited?

Yes. CVE-2025-9377 appears in CISA's Known Exploited Vulnerabilities catalog, which means exploitation in the wild has been confirmed and reported. Treat it as active rather than theoretical, and patch it ahead of higher-scoring vulnerabilities that carry no exploitation evidence.

How severe is CVE-2025-9377?

CVE-2025-9377 is rated High with a CVSS score of 7.2. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.

Is there a patch for CVE-2025-9377?

Yes. A fix has been recorded for CVE-2025-9377. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.

What does CVE-2025-9377 affect?

CVE-2025-9377 affects tp-link:tl-wr841n_firmware, tp-link:tl-wr841nd_firmware, tp-link:archer_c7_firmware. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.

Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.

executive summary
technical analysis
affected
tp-link:tl-wr841n_firmwaretp-link:tl-wr841nd_firmwaretp-link:archer_c7_firmware
affected versions
TP-Link Systems Inc. Archer C7(EU) V2
  • affected< 241108
TP-Link Systems Inc. TL-WR841N/ND(MS) V9
  • affected< 241108

As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.

cisa ssvc

exploitation
active
automatable
no
technical impact
total

Assessed by CISA 3 Sept 2025 (SSVC 2.0.3).

timeline

  1. 29 Aug 2025Published
  2. 3 Sept 2025Added to CISA KEV (exploited in the wild) · 4 days later
  3. 3 Sept 2025CISA SSVC assessment: exploitation active · same day later
  4. 24 Sept 2025CISA remediation due date (US federal agencies) · 21 days later
  5. 26 Feb 2026CVE record last updated · 156 days (about 5 months) later
  6. 2 Nov 2026Analysed by vulneraibility.com · 249 days (about 8 months) later
how to fix
Remediation steps are tailored for users whose stack is affected. Add this technology to your stack to see the fix checklist.
references
3 references in the CVE record: 1 advisory, 1 patch, 1 link
  • Advisorytp-link.com /us/support/faq/4365/
  • Patchtp-link.com /us/support/faq/4308/
  • Linkcisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-9377

sources

  • CVE List (CVE.org): description, affected versions, references; CVE Terms of Use
  • NVD: CVSS and CPE data
  • CISA KEV catalog: exploitation, date added, due date
  • CISA Vulnrichment (ADP): SSVC decision points
  • FIRST EPSS: exploit probability and percentile
  • Summary, impact and triage tags: written by our AI analysis pipeline from the sources above. Check them against the sources.
get alerted

Track only the vulnerabilities that affect your infrastructure.

start for free

© 2026 vulneraibility.com, all rights reserved