Type Vulnerability
C7(EU) and TL-WR841N/ND(MS) contain an OS command injection vulnerability that exists in the Parental Control page. Known-exploited catalogue reports exploitation in the wild.
TP-Link · Code execution
TP-Link Archer C7(EU) and TL-WR841N/ND(MS) OS Command Injection Vulnerability
CVE-2025-9377
What this means
This is rated high severity (8.6 out of 10). It is on the known-exploited catalogue, which means attacks using it have already been seen. Ask IT whether Tp Link Tl wr841n Firmware, Tp Link Tl wr841n and Tp Link Tl wr841nd Firmware, and 3 more are in your estate, and treat that as the priority.
Full vendor description
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).
Scoring and exploitation
8.6/ 10
CVSS 4.0 base scoreHigh
Exploitable over the network with an administrator-level account, and no one has to click or open anything. High impact on confidentiality, integrity and availability.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Exploitability
Longer bar: easier to attack
Attack vectorNetworkAV:N
Attack complexityLowAC:L
Attack requirementsNoneAT:N
Privileges requiredHighPR:H
User interactionNoneUI:N
Impact
Longer bar: more harm
ConfidentialityHighVC:H
IntegrityHighVI:H
AvailabilityHighVA:H
- Not reported
- Exploited in the wild
- Yes — confirmed exploitation (US CISA )
- Not reported
- Listed product
- TP-Link Multiple Routers
Weaknesses
CWE-78
Affected products ()
- Tp Link Tl wr841n Firmware
- Tp Link Tl wr841n
- Tp Link Tl wr841nd Firmware
- Tp Link Tl wr841nd
- Tp Link Archer c7 Firmware
- Tp Link Archer c7
Show the raw CPE strings (6)
- cpe:2.3:o:tp-link:tl-wr841n_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:h:tp-link:tl-wr841n:v9:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:tl-wr841nd_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:h:tp-link:tl-wr841nd:9:*:*:*:*:*:*:*
- cpe:2.3:o:tp-link:archer_c7_firmware:*:*:*:*:*:*:*:*
- cpe:2.3:h:tp-link:archer_c7:2.0:*:*:*:*:*:*:*
References
3 links from the CVE record, grouped by site; the vendor's advisory comes first.
tp-link.com2 linksVendor advisory
- 4308 (opens in a new tab)Product
- 4365 (opens in a new tab)Vendor Advisory
cisa.gov1 link
- known-exploited-vulnerabilities-catalog (opens in a new tab)US Government Resource