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CVE-2017-11344· NVD / CVE Program· CNA mitre

Global buffer overflow in networkmap in Asuswrt-Merlin firmware for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U,

Global buffer overflow in networkmap in Asuswrt-Merlin firmware for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U, RT-AC68P, RT-AC88U, RT-AC66U, RT-AC66U_B1, RT-AC58U, RT-AC56U, RT-AC55U, RT-AC52U, RT-AC51U, RT-N18U, RT-N66U, RT-N56U, RT-AC3200, RT-AC3100, RT_AC1200GU, RT_AC1200G, RT-AC1200, RT-AC53, RT-N12HP, RT-N12HP_B1, RT-N12D1, RT-N12+, RT_N12+_PRO, RT-N16, and RT-N300 devices allows remote attackers to write shellcode at any address in the heap; this can be used to execute arbitrary code on the router by hosting a crafted device description XML document at a URL specified within a Location header in an SSDP response.

HighCVSS 7.8 · v3.0—No exploit No fix recorded
Published
Jul 17, 2017
Updated
Jun 16, 2026
EPSS
2.8% · 86th percentile
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Report tools

JSON

Action score

32

Monitor

Low priority for now.

CVSS
31 / 40 · 7.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.8%

Affected systems

VendorProduct
asuswrt-merlin projectrt-ac5300 firmware
asuswrt-merlin projectrt-ac5300
asuswrt-merlin projectrt ac1900p firmware
asuswrt-merlin projectrt ac1900p
asuswrt-merlin projectrt-ac68u firmware
asuswrt-merlin projectrt-ac68u
asuswrt-merlin projectrt-ac68p firmware
asuswrt-merlin projectrt-ac68p
asuswrt-merlin projectrt-ac88u firmware
asuswrt-merlin projectrt-ac88u
asuswrt-merlin projectrt-ac66u firmware
asuswrt-merlin projectrt-ac66u

and 44 more

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • asuswrt-merlin project rt ac1200g firmwareup to 3.0.0.4.380.3167 inclusive
  • asuswrt-merlin project rt ac1200gu firmwareup to 3.0.0.4.380.5577 inclusive
  • asuswrt-merlin project rt ac1900p firmwareup to 3.0.0.4.380.7743 inclusive
  • asuswrt-merlin project rt n12+ pro firmwareup to 3.0.0.4.380.9880 inclusive
  • asuswrt-merlin project rt-ac1200 firmwareup to 3.0.0.4.380.9880 inclusive
  • asuswrt-merlin project rt-ac3100 firmwareup to 3.0.0.4.380.7743 inclusive
  • asuswrt-merlin project rt-ac3200 firmwareup to 3.0.0.4.380.7743 inclusive
  • asuswrt-merlin project rt-ac51u firmwareup to 3.0.0.4.380.7378 inclusive
  • asuswrt-merlin project rt-ac52u firmwareup to 3.0.0.4.380.4180 inclusive
  • asuswrt-merlin project rt-ac53 firmwareup to 3.0.0.4.380.9883 inclusive
  • asuswrt-merlin project rt-ac5300 firmwareup to 3.0.0.4.380.7743 inclusive
  • asuswrt-merlin project rt-ac55u firmwareup to 3.0.0.4.380.7378 inclusive
  • asuswrt-merlin project rt-ac56u firmwareup to 3.0.0.4.380.7743 inclusive
  • asuswrt-merlin project rt-ac58u firmwareup to 3.0.0.4.380.7485 inclusive
  • asuswrt-merlin project rt-ac66u b1 firmwareup to 3.0.0.4.380.7743 inclusive
  • asuswrt-merlin project rt-ac66u firmwareup to 3.0.0.4.380.7743 inclusive
  • asuswrt-merlin project rt-ac68p firmwareup to 3.0.0.4.380.7743 inclusive
  • asuswrt-merlin project rt-ac68u firmwareup to 3.0.0.4.380.7743 inclusive
  • asuswrt-merlin project rt-ac88u firmwareup to 3.0.0.4.380.7743 inclusive
  • asuswrt-merlin project rt-n12+ firmwareup to 3.0.0.4.380.7378 inclusive

Same product

asuswrt-merlin project: all records

Other highest-scoring records for the same primary product.

  • CVE-2018-18320An issue was discovered in the Merlin.PHP component 0.6.6 for Asuswrt-Merlin devices.
    41Plan
  • CVE-2018-18319An issue was discovered in the Merlin.PHP component 0.6.6 for Asuswrt-Merlin devices.
    41Plan
  • CVE-2017-11420Stack-based buffer overflow in ASUS_Discovery.c in networkmap in Asuswrt-Merlin firmware for ASUS devices and ASUS firmware for ASUS RT-AC53
    41Plan
  • CVE-2017-11345Stack buffer overflow in networkmap in Asuswrt-Merlin firmware for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U,
    32Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

We use this product, ask for help

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records