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4 vulnerabilities found for Archer AX55 v4 by TP-Link Systems Inc.
CVE-2026-18330 (GCVE-0-2026-18330)
Vulnerability from nvd – Published: 2026-09-03 22:24 – Updated: 2026-09-04 18:25
VLAI
EPSS
VEX
Title
Hardcoded Shared RSA-1024 Private Key in TP-Link Archer AX55 v4
Summary
A hard-coded
cryptographic key vulnerability exists in the web module of TP-Link Archer
AX55 v4. A LAN attacker who captures an HTTP login session may use the known
shared RSA private key to decrypt the administrator password; the
weakened AES session key further reduces the effort required to
compromise session confidentiality.
Successful
exploitation may disclose the administrator password captured from an HTTP
login session and compromise session confidentiality.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 17:39 UTC
CWE
- CWE-321 - Use of hard-coded cryptographic key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/us/support/download/arche… | patch |
| https://www.tp-link.com/us/support/faq/5279/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | Archer AX55 v4 |
Affected:
0 , < 1.2.1 Build 20260527
(custom)
|
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CVE-2026-18167 (GCVE-0-2026-18167)
Vulnerability from nvd – Published: 2026-09-03 22:24 – Updated: 2026-09-04 18:25
VLAI
EPSS
VEX
Title
Stack-based buffer overflow in TP-Link Archer AX55 v4
Summary
A
stack-based buffer overflow vulnerability exists in the EasyMesh module of
TP-Link Archer AX55 v4. When Mesh mode is enabled, a LAN attacker may submit
crafted input that causes the easymesh daemon to crash and may potentially
achieve remote code execution on the device.
Successful
exploitation may cause the EasyMesh daemon to crash and may potentially allow
remote code execution when Mesh mode is enabled. This
may result in high impact to the confidentiality, integrity, and availability
of the affected device.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 17:09 UTC
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/us/support/download/arche… | patch |
| https://www.tp-link.com/us/support/faq/5279/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | Archer AX55 v4 |
Affected:
0 , < 1.2.1 Build 20260527
(custom)
|
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CVE-2026-18167 (GCVE-0-2026-18167)
Vulnerability from cvelistv5 – Published: 2026-09-03 22:24 – Updated: 2026-09-04 18:25
VLAI
EPSS
VEX
Title
Stack-based buffer overflow in TP-Link Archer AX55 v4
Summary
A
stack-based buffer overflow vulnerability exists in the EasyMesh module of
TP-Link Archer AX55 v4. When Mesh mode is enabled, a LAN attacker may submit
crafted input that causes the easymesh daemon to crash and may potentially
achieve remote code execution on the device.
Successful
exploitation may cause the EasyMesh daemon to crash and may potentially allow
remote code execution when Mesh mode is enabled. This
may result in high impact to the confidentiality, integrity, and availability
of the affected device.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 17:09 UTC
CWE
- CWE-121 - Stack-based buffer overflow
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/us/support/download/arche… | patch |
| https://www.tp-link.com/us/support/faq/5279/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | Archer AX55 v4 |
Affected:
0 , < 1.2.1 Build 20260527
(custom)
|
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CVE-2026-18330 (GCVE-0-2026-18330)
Vulnerability from cvelistv5 – Published: 2026-09-03 22:24 – Updated: 2026-09-04 18:25
VLAI
EPSS
VEX
Title
Hardcoded Shared RSA-1024 Private Key in TP-Link Archer AX55 v4
Summary
A hard-coded
cryptographic key vulnerability exists in the web module of TP-Link Archer
AX55 v4. A LAN attacker who captures an HTTP login session may use the known
shared RSA private key to decrypt the administrator password; the
weakened AES session key further reduces the effort required to
compromise session confidentiality.
Successful
exploitation may disclose the administrator password captured from an HTTP
login session and compromise session confidentiality.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-04 17:39 UTC
CWE
- CWE-321 - Use of hard-coded cryptographic key
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://www.tp-link.com/us/support/download/arche… | patch |
| https://www.tp-link.com/us/support/faq/5279/ | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| TP-Link Systems Inc. | Archer AX55 v4 |
Affected:
0 , < 1.2.1 Build 20260527
(custom)
|
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"value": "A hard-coded\ncryptographic key vulnerability exists in the\u00a0web module of TP-Link Archer\nAX55 v4. A LAN attacker who captures an HTTP login session may use the known\nshared RSA private key to decrypt the\u00a0administrator\u00a0password; the\nweakened AES session key further reduces the effort\u00a0required\u00a0to\ncompromise session confidentiality.\n\n\n\n\n\nSuccessful\nexploitation may disclose the administrator password captured from an HTTP\nlogin session and compromise session confidentiality."
}
],
"impacts": [
{
"capecId": "CAPEC-117",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-117 Interception"
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]
}
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"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "PRESENT",
"attackVector": "ADJACENT",
"baseScore": 6.1,
"baseSeverity": "MEDIUM",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "LOW",
"vulnConfidentialityImpact": "HIGH",
"vulnIntegrityImpact": "LOW",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-321",
"description": "CWE-321 Use of hard-coded cryptographic key",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-09-03T22:24:45.430Z",
"orgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
"shortName": "TPLink"
},
"references": [
{
"tags": [
"patch"
],
"url": "https://www.tp-link.com/us/support/download/archer-ax55/v4/#Firmware"
},
{
"tags": [
"vendor-advisory"
],
"url": "https://www.tp-link.com/us/support/faq/5279/"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Hardcoded Shared RSA-1024 Private Key in TP-Link Archer AX55 v4",
"x_generator": {
"engine": "Vulnogram 1.0.4"
}
}
},
"cveMetadata": {
"assignerOrgId": "f23511db-6c3e-4e32-a477-6aa17d310630",
"assignerShortName": "TPLink",
"cveId": "CVE-2026-18330",
"datePublished": "2026-09-03T22:24:45.430Z",
"dateReserved": "2026-07-29T20:03:53.524Z",
"dateUpdated": "2026-09-04T18:25:58.339Z",
"state": "PUBLISHED"
},
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}